22556332 has 6 divisors (see below), whose sum is σ = 39473588. Its totient is φ = 11278164.

The previous prime is 22556321. The next prime is 22556333. The reversal of 22556332 is 23365522.

It is a super-2 number, since 2×22556332² = 1017576226588448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22556332.

It is not an unprimeable number, because it can be changed into a prime (22556333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819538 + ... + 2819545.

Almost surely, 2^22556332 is an apocalyptic number.

It is an amenable number.

22556332 is a deficient number, since it is larger than the sum of its proper divisors (16917256).

22556332 is a wasteful number, since it uses less digits than its factorization.

22556332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639087 (or 5639085 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 22556332 is about 4749.3506924631. The cubic root of 22556332 is about 282.5462142787.

The spelling of 22556332 in words is "twenty-two million, five hundred fifty-six thousand, three hundred thirty-two".