22977680 has 40 divisors (see below), whose sum is σ = 58281984. Its totient is φ = 8355200.

The previous prime is 22977679. The next prime is 22977683. The reversal of 22977680 is 8677922.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (22977683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12176 + ... + 13935.

Almost surely, 2^22977680 is an apocalyptic number.

22977680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22977680 is an abundant number, since it is smaller than the sum of its proper divisors (35304304).

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

22977680 is a wasteful number, since it uses less digits than its factorization.

22977680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26135 (or 26129 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 22977680 is about 4793.5039376222. The cubic root of 22977680 is about 284.2946752969.

The spelling of 22977680 in words is "twenty-two million, nine hundred seventy-seven thousand, six hundred eighty".