22679872 has 14 divisors (see below), whose sum is σ = 45005498. Its totient is φ = 11339904.

The previous prime is 22679869. The next prime is 22679893. The reversal of 22679872 is 27897622.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16842816 + 5837056 = 4104^2 + 2416^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177123 + ... + 177250.

Almost surely, 2^22679872 is an apocalyptic number.

It is an amenable number.

22679872 is a deficient number, since it is larger than the sum of its proper divisors (22325626).

22679872 is an equidigital number, since it uses as much as digits as its factorization.

22679872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354385 (or 354375 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 22679872 is about 4762.3389211605. The cubic root of 22679872 is about 283.0611063093.

The spelling of 22679872 in words is "twenty-two million, six hundred seventy-nine thousand, eight hundred seventy-two".