22704560 has 20 divisors (see below), whose sum is σ = 52788288. Its totient is φ = 9081792.

The previous prime is 22704553. The next prime is 22704581. The reversal of 22704560 is 6540722.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141824 + ... + 141983.

Almost surely, 2^22704560 is an apocalyptic number.

22704560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22704560 is an abundant number, since it is smaller than the sum of its proper divisors (30083728).

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

22704560 is a wasteful number, since it uses less digits than its factorization.

22704560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283820 (or 283814 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 22704560 is about 4764.9302198458. The cubic root of 22704560 is about 283.1637770603.

The spelling of 22704560 in words is "twenty-two million, seven hundred four thousand, five hundred sixty".