22939609 has 16 divisors (see below), whose sum is σ = 29589120. Its totient is φ = 17256960.

The previous prime is 22939607. The next prime is 22939633. The reversal of 22939609 is 90693922.

It is not a de Polignac number, because 22939609 - 2¹ = 22939607 is a prime.

It is a super-2 number, since 2×22939609² = 1052451322145762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22939601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2904 + ... + 7369.

It is an arithmetic number, because the mean of its divisors is an integer number (1849320).

Almost surely, 2^22939609 is an apocalyptic number.

22939609 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22939609 is a deficient number, since it is larger than the sum of its proper divisors (6649511).

22939609 is a wasteful number, since it uses less digits than its factorization.

22939609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10320.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 22939609 is about 4789.5311879139. The cubic root of 22939609 is about 284.1375755124.

The spelling of 22939609 in words is "twenty-two million, nine hundred thirty-nine thousand, six hundred nine".