22812912 has 60 divisors (see below), whose sum is σ = 67607280. Its totient is φ = 7156224.

The previous prime is 22812899. The next prime is 22812947. The reversal of 22812912 is 21921822.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2212 + ... + 7107.

It is an arithmetic number, because the mean of its divisors is an integer number (1126788).

Almost surely, 2^22812912 is an apocalyptic number.

It is an amenable number.

22812912 is an abundant number, since it is smaller than the sum of its proper divisors (44794368).

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

22812912 is a wasteful number, since it uses less digits than its factorization.

22812912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9350 (or 9341 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 22812912 is about 4776.2864235722. The cubic root of 22812912 is about 283.6135058682.

The spelling of 22812912 in words is "twenty-two million, eight hundred twelve thousand, nine hundred twelve".