22564292 has 12 divisors (see below), whose sum is σ = 39837756. Its totient is φ = 11182080.

The previous prime is 22564279. The next prime is 22564303. The reversal of 22564292 is 29246522.

It can be written as a sum of positive squares in 2 ways, for example, as 8844676 + 13719616 = 2974^2 + 3704^2 .

It is a super-2 number, since 2×22564292² = 1018294546922528, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 24509 + ... + 25412.

It is an arithmetic number, because the mean of its divisors is an integer number (3319813).

Almost surely, 2^22564292 is an apocalyptic number.

It is an amenable number.

22564292 is a deficient number, since it is larger than the sum of its proper divisors (17273464).

22564292 is a wasteful number, since it uses less digits than its factorization.

22564292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50038 (or 50036 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 22564292 is about 4750.1886278336. The cubic root of 22564292 is about 282.5794466819.

The spelling of 22564292 in words is "twenty-two million, five hundred sixty-four thousand, two hundred ninety-two".