22723912 has 16 divisors (see below), whose sum is σ = 42675840. Its totient is φ = 11343696.

The previous prime is 22723879. The next prime is 22723927. The reversal of 22723912 is 21932722.

It is a pancake number, because a pancake can be divided into 22723912 parts by 6741 straight cuts.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4033 + ... + 7855.

It is an arithmetic number, because the mean of its divisors is an integer number (2667240).

Almost surely, 2^22723912 is an apocalyptic number.

It is an amenable number.

22723912 is a deficient number, since it is larger than the sum of its proper divisors (19951928).

22723912 is a wasteful number, since it uses less digits than its factorization.

22723912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572 (or 4568 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 22723912 is about 4766.9604571467. The cubic root of 22723912 is about 283.2442047992.

The spelling of 22723912 in words is "twenty-two million, seven hundred twenty-three thousand, nine hundred twelve".