22264857 has 12 divisors (see below), whose sum is σ = 32212180. Its totient is φ = 14819328.

The previous prime is 22264843. The next prime is 22264867. The reversal of 22264857 is 75846222.

22264857 is a `hidden beast` number, since 2 + 2 + 2 + 648 + 5 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15023376 + 7241481 = 3876^2 + 2691^2 .

It is not a de Polignac number, because 22264857 - 2¹⁰ = 22263833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22264867) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5313 + ... + 8529.

Almost surely, 2^22264857 is an apocalyptic number.

It is an amenable number.

22264857 is a deficient number, since it is larger than the sum of its proper divisors (9947323).

22264857 is a wasteful number, since it uses less digits than its factorization.

22264857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992 (or 3989 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 22264857 is about 4718.5651420744. The cubic root of 22264857 is about 281.3239047263.

The spelling of 22264857 in words is "twenty-two million, two hundred sixty-four thousand, eight hundred fifty-seven".