Numbers 3:39

3:39 All who were numbered of the Levites, whom Moses and Aaron numbered by the word of the Lord, according to their families, every male from a month old and upward, were 22,000.

Numbers 8:16

8:16 For they are entirely given to me from among the Israelites. I have taken them for myself instead of all who open the womb, the firstborn sons of all the Israelites.

Numbers 16:19

16:19 When Korah assembled the whole community against them at the entrance of the tent of meeting, then the glory of the Lord appeared to the whole community.