22264947 has 12 divisors (see below), whose sum is σ = 32205264. Its totient is φ = 14822640.

The previous prime is 22264937. The next prime is 22264969. The reversal of 22264947 is 74946222.

22264947 is a `hidden beast` number, since 2 + 2 + 2 + 649 + 4 + 7 = 666.

It is not a de Polignac number, because 22264947 - 2⁸ = 22264691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22264937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7978 + ... + 10400.

It is an arithmetic number, because the mean of its divisors is an integer number (2683772).

Almost surely, 2^22264947 is an apocalyptic number.

22264947 is a deficient number, since it is larger than the sum of its proper divisors (9940317).

22264947 is a wasteful number, since it uses less digits than its factorization.

22264947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450 (or 3447 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 22264947 is about 4718.5746788623. The cubic root of 22264947 is about 281.3242837858.

The spelling of 22264947 in words is "twenty-two million, two hundred sixty-four thousand, nine hundred forty-seven".