22956620 has 24 divisors (see below), whose sum is σ = 48300000. Its totient is φ = 9165312.

The previous prime is 22956611. The next prime is 22956631. The reversal of 22956620 is 2665922.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17756 + ... + 19004.

It is an arithmetic number, because the mean of its divisors is an integer number (2012500).

Almost surely, 2^22956620 is an apocalyptic number.

22956620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22956620 is an abundant number, since it is smaller than the sum of its proper divisors (25343380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22956620 is a wasteful number, since it uses less digits than its factorization.

22956620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 22956620 is about 4791.3067111175. The cubic root of 22956620 is about 284.2077927805.

The spelling of 22956620 in words is "twenty-two million, nine hundred fifty-six thousand, six hundred twenty".