22645712 has 10 divisors (see below), whose sum is σ = 43876098. Its totient is φ = 11322848.

The previous prime is 22645709. The next prime is 22645729. The reversal of 22645712 is 21754622.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16613776 + 6031936 = 4076^2 + 2456^2 .

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, 707663 + ... + 707694.

Almost surely, 2^22645712 is an apocalyptic number.

It is an amenable number.

22645712 is a deficient number, since it is larger than the sum of its proper divisors (21230386).

22645712 is a wasteful number, since it uses less digits than its factorization.

22645712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415365 (or 1415359 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 22645712 is about 4758.7510966639. The cubic root of 22645712 is about 282.9189211144.

The spelling of 22645712 in words is "twenty-two million, six hundred forty-five thousand, seven hundred twelve".