22945612 has 12 divisors (see below), whose sum is σ = 41539680. Its totient is φ = 11077136.

The previous prime is 22945603. The next prime is 22945639. The reversal of 22945612 is 21654922.

It is a super-2 number, since 2×22945612² = 1053002220109088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98788 + ... + 99019.

It is an arithmetic number, because the mean of its divisors is an integer number (3461640).

Almost surely, 2^22945612 is an apocalyptic number.

It is an amenable number.

22945612 is a deficient number, since it is larger than the sum of its proper divisors (18594068).

22945612 is a wasteful number, since it uses less digits than its factorization.

22945612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197840 (or 197838 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 22945612 is about 4790.1578262099. The cubic root of 22945612 is about 284.1623583978.

The spelling of 22945612 in words is "twenty-two million, nine hundred forty-five thousand, six hundred twelve".