Numbers 3:43-45

Darby Translation

⁴³ And all the firstborn males, by the number of the names, from a month old and upward, according to their numbering, were twenty-two thousand two hundred and seventy-three.

⁴⁴ And Jehovah spoke to Moses, saying,

⁴⁵ Take the Levites instead of all the firstborn among the children of Israel, and the cattle of the Levites instead of their cattle; and the Levites shall be mine: I am Jehovah.