22700556 has 36 divisors (see below), whose sum is σ = 59235904. Its totient is φ = 7322400.

The previous prime is 22700551. The next prime is 22700569. The reversal of 22700556 is 65500722.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (22700551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9055 + ... + 11286.

Almost surely, 2^22700556 is an apocalyptic number.

It is an amenable number.

22700556 is an abundant number, since it is smaller than the sum of its proper divisors (36535348).

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

22700556 is a wasteful number, since it uses less digits than its factorization.

22700556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20382 (or 20377 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 22700556 is about 4764.5100482631. The cubic root of 22700556 is about 283.1471305596.

The spelling of 22700556 in words is "twenty-two million, seven hundred thousand, five hundred fifty-six".