22372012 has 24 divisors (see below), whose sum is σ = 42582176. Its totient is φ = 10222848.

The previous prime is 22372003. The next prime is 22372027. The reversal of 22372012 is 21027322.

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, 3268 + ... + 7444.

Almost surely, 2^22372012 is an apocalyptic number.

It is an amenable number.

22372012 is a deficient number, since it is larger than the sum of its proper divisors (20210164).

22372012 is a wasteful number, since it uses less digits than its factorization.

22372012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297 (or 4295 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 22372012 is about 4729.9061301468. The cubic root of 22372012 is about 281.7744957100.

Adding to 22372012 its reverse (21027322), we get a palindrome (43399334).

The spelling of 22372012 in words is "twenty-two million, three hundred seventy-two thousand, twelve".