22805912 has 16 divisors (see below), whose sum is σ = 43917360. Its totient is φ = 11094624.

The previous prime is 22805911. The next prime is 22805917. The reversal of 22805912 is 21950822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22805911) 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, 38228 + ... + 38819.

It is an arithmetic number, because the mean of its divisors is an integer number (2744835).

Almost surely, 2^22805912 is an apocalyptic number.

It is an amenable number.

22805912 is a deficient number, since it is larger than the sum of its proper divisors (21111448).

22805912 is a wasteful number, since it uses less digits than its factorization.

22805912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77090 (or 77086 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 22805912 is about 4775.5535804763. The cubic root of 22805912 is about 283.5844945546.

It can be divided in two parts, 2280 and 5912, that added together give a 13-th power (8192 = 2¹³).

The spelling of 22805912 in words is "twenty-two million, eight hundred five thousand, nine hundred twelve".