22775212 has 12 divisors (see below), whose sum is σ = 40268200. Its totient is φ = 11270016.

The previous prime is 22775201. The next prime is 22775227. The reversal of 22775212 is 21257722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28962 + ... + 29737.

Almost surely, 2^22775212 is an apocalyptic number.

It is an amenable number.

22775212 is a deficient number, since it is larger than the sum of its proper divisors (17492988).

22775212 is a wasteful number, since it uses less digits than its factorization.

22775212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58800 (or 58798 counting only the distinct ones).

The product of its digits is 3920, while the sum is 28.

The square root of 22775212 is about 4772.3382109821. The cubic root of 22775212 is about 283.4571890642.

The spelling of 22775212 in words is "twenty-two million, seven hundred seventy-five thousand, two hundred twelve".