22155952 has 40 divisors (see below), whose sum is σ = 52836896. Its totient is φ = 8764416.

The previous prime is 22155943. The next prime is 22155953. The reversal of 22155952 is 25955122.

It is not an unprimeable number, because it can be changed into a prime (22155953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6153 + ... + 9064.

Almost surely, 2^22155952 is an apocalyptic number.

It is an amenable number.

22155952 is an abundant number, since it is smaller than the sum of its proper divisors (30680944).

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

22155952 is a wasteful number, since it uses less digits than its factorization.

22155952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15245 (or 15239 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

The square root of 22155952 is about 4707.0109411388. The cubic root of 22155952 is about 280.8644711449.

The spelling of 22155952 in words is "twenty-two million, one hundred fifty-five thousand, nine hundred fifty-two".