22712368 has 40 divisors (see below), whose sum is σ = 50666400. Its totient is φ = 9661440.

The previous prime is 22712351. The next prime is 22712377. The reversal of 22712368 is 86321722.

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, 16008 + ... + 17368.

It is an arithmetic number, because the mean of its divisors is an integer number (1266660).

Almost surely, 2^22712368 is an apocalyptic number.

22712368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22712368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25333200).

22712368 is an abundant number, since it is smaller than the sum of its proper divisors (27954032).

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

22712368 is a wasteful number, since it uses less digits than its factorization.

22712368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525 (or 1519 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 22712368 is about 4765.7494688664. The cubic root of 22712368 is about 283.1962329396.

The spelling of 22712368 in words is "twenty-two million, seven hundred twelve thousand, three hundred sixty-eight".