22873812 has 36 divisors (see below), whose sum is σ = 57798720. Its totient is φ = 7037472.

The previous prime is 22873783. The next prime is 22873813. The reversal of 22873812 is 21837822.

It is a super-2 number, since 2×22873812² = 1046422550822688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22873813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3612 + ... + 7667.

It is an arithmetic number, because the mean of its divisors is an integer number (1605520).

Almost surely, 2^22873812 is an apocalyptic number.

It is an amenable number.

22873812 is an abundant number, since it is smaller than the sum of its proper divisors (34924908).

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

22873812 is a wasteful number, since it uses less digits than its factorization.

22873812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11312 (or 11297 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 22873812 is about 4782.6574203052. The cubic root of 22873812 is about 283.8656542388.

The spelling of 22873812 in words is "twenty-two million, eight hundred seventy-three thousand, eight hundred twelve".