The total number of Levites that Moses and Aaron counted by their clans at the LORD’s command, including all the males a month old or more, was 22,000.
Jewish Publication Society of America Version (JPS1917) - Numbers 3:39 >All that were numbered of the Levites, whom Moses and Aaron numbered at the commandment of the LORD, by their families, all the males from a month old and upward, were twenty and two thousand.