22645956 has 24 divisors (see below), whose sum is σ = 52944640. Its totient is φ = 7533792.

The previous prime is 22645951. The next prime is 22645957. The reversal of 22645956 is 65954622.

It is not an unprimeable number, because it can be changed into a prime (22645951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5730 + ... + 8838.

Almost surely, 2^22645956 is an apocalyptic number.

It is an amenable number.

22645956 is an abundant number, since it is smaller than the sum of its proper divisors (30298684).

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

22645956 is a wasteful number, since it uses less digits than its factorization.

22645956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723 (or 3721 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 22645956 is about 4758.7767335735. The cubic root of 22645956 is about 282.9199372298.

The spelling of 22645956 in words is "twenty-two million, six hundred forty-five thousand, nine hundred fifty-six".