All that were numbered of the Levites, which Moses and Aaron numbered at the commandment of the LORD, throughout their families, all the males from a month old and upward, were twenty and two thousand. Numbers 3:39

The sons of Levi by their names; Gershon, and Kohath, and Merari. Numbers 3:17

There were 7,500 male Gersonites.Of Gershon was the family of the Libnites, and the family of the Shimites: these are the families of the Gershonites.

Those that were numbered of them, according to the number of all the males, from a month old and upward, even those that were numbered of them were seven thousand and five hundred. Numbers 3:21-22

There were 8,600 male Kohathites.

And of Kohath was the family of the Amramites, and the family of the Izeharites, and the family of the Hebronites, and the family of the Uzzielites: these are the families of the Kohathites.

In the number of all the males, from a month old and upward, were eight thousand and six hundred. Numbers 3:27-28

There were 6,200 male Merariites.For a total of 22,300 male Levites.Of Merari was the family of the Mahlites, and the family of the Mushites: these are the families of Merari.

And those that were numbered of them, according to the number of all the males, from a month old and upward, were six thousand and two hundred. Numbers 3:33-34