22456912 has 10 divisors (see below), whose sum is σ = 43510298. Its totient is φ = 11228448.

The previous prime is 22456909. The next prime is 22456913. The reversal of 22456912 is 21965422.

It can be written as a sum of positive squares in only one way, i.e., 22052416 + 404496 = 4696^2 + 636^2 .

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22456913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701763 + ... + 701794.

Almost surely, 2^22456912 is an apocalyptic number.

It is an amenable number.

22456912 is a deficient number, since it is larger than the sum of its proper divisors (21053386).

22456912 is a wasteful number, since it uses less digits than its factorization.

22456912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403565 (or 1403559 counting only the distinct ones).

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

The square root of 22456912 is about 4738.8724397266. The cubic root of 22456912 is about 282.1304830153.

The spelling of 22456912 in words is "twenty-two million, four hundred fifty-six thousand, nine hundred twelve".