22805664 has 48 divisors (see below), whose sum is σ = 68419008. Its totient is φ = 6515712.

The previous prime is 22805647. The next prime is 22805693. The reversal of 22805664 is 46650822.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16297 + ... + 17640.

It is an arithmetic number, because the mean of its divisors is an integer number (1425396).

Almost surely, 2^22805664 is an apocalyptic number.

22805664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22805664 is an abundant number, since it is smaller than the sum of its proper divisors (45613344).

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

22805664 is a wasteful number, since it uses less digits than its factorization.

22805664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33957 (or 33949 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 22805664 is about 4775.5276148296. The cubic root of 22805664 is about 283.5834666163.

The spelling of 22805664 in words is "twenty-two million, eight hundred five thousand, six hundred sixty-four".