22407868 has 12 divisors (see below), whose sum is σ = 44815792. Its totient is φ = 9603360.

The previous prime is 22407841. The next prime is 22407881. The reversal of 22407868 is 86870422.

22407868 is an admirable number.

It is a super-2 number, since 2×22407868² = 1004225096610848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400113 + ... + 400168.

Almost surely, 2^22407868 is an apocalyptic number.

22407868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22407868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22407868 is a wasteful number, since it uses less digits than its factorization.

22407868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800292 (or 800290 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 22407868 is about 4733.6949627115. The cubic root of 22407868 is about 281.9249502681.

The spelling of 22407868 in words is "twenty-two million, four hundred seven thousand, eight hundred sixty-eight".