22662556 has 12 divisors (see below), whose sum is σ = 45325168. Its totient is φ = 9712512.

The previous prime is 22662553. The next prime is 22662559. The reversal of 22662556 is 65526622.

It is an interprime number because it is at equal distance from previous prime (22662553) and next prime (22662559).

22662556 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22662553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404661 + ... + 404716.

Almost surely, 2^22662556 is an apocalyptic number.

It is an amenable number.

22662556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22662556 is a wasteful number, since it uses less digits than its factorization.

22662556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809388 (or 809386 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 22662556 is about 4760.5205597707. The cubic root of 22662556 is about 282.9890492585.

The spelling of 22662556 in words is "twenty-two million, six hundred sixty-two thousand, five hundred fifty-six".