22528296 has 48 divisors (see below), whose sum is σ = 69732000. Its totient is φ = 6436512.

The previous prime is 22528283. The next prime is 22528309. The reversal of 22528296 is 69282522.

It is an interprime number because it is at equal distance from previous prime (22528283) and next prime (22528309).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22528296.

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 11 ways as a sum of consecutive naturals, for example, 21846 + ... + 22853.

It is an arithmetic number, because the mean of its divisors is an integer number (1452750).

Almost surely, 2^22528296 is an apocalyptic number.

It is an amenable number.

22528296 is an abundant number, since it is smaller than the sum of its proper divisors (47203704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22528296 is a wasteful number, since it uses less digits than its factorization.

22528296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44718 (or 44711 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 22528296 is about 4746.3982133824. The cubic root of 22528296 is about 282.4291037798.

The spelling of 22528296 in words is "twenty-two million, five hundred twenty-eight thousand, two hundred ninety-six".