22679680 has 32 divisors (see below), whose sum is σ = 54220140. Its totient is φ = 9071616.

The previous prime is 22679669. The next prime is 22679681. The reversal of 22679680 is 8697622.

It can be written as a sum of positive squares in 2 ways, for example, as 22052416 + 627264 = 4696^2 + 792^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (22679681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17079 + ... + 18358.

Almost surely, 2^22679680 is an apocalyptic number.

22679680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22679680 is an abundant number, since it is smaller than the sum of its proper divisors (31540460).

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

22679680 is an equidigital number, since it uses as much as digits as its factorization.

22679680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35456 (or 35444 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 22679680 is about 4762.3187629557. The cubic root of 22679680 is about 283.0603075411.

The spelling of 22679680 in words is "twenty-two million, six hundred seventy-nine thousand, six hundred eighty".