22502328 has 32 divisors (see below), whose sum is σ = 56505600. Its totient is φ = 7467488.

The previous prime is 22502299. The next prime is 22502353. The reversal of 22502328 is 82320522.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 22502298 and 22502307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3775 + ... + 7697.

It is an arithmetic number, because the mean of its divisors is an integer number (1765800).

Almost surely, 2^22502328 is an apocalyptic number.

It is an amenable number.

22502328 is an abundant number, since it is smaller than the sum of its proper divisors (34003272).

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

22502328 is a wasteful number, since it uses less digits than its factorization.

22502328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171 (or 4167 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 22502328 is about 4743.6618766518. The cubic root of 22502328 is about 282.3205449146.

The spelling of 22502328 in words is "twenty-two million, five hundred two thousand, three hundred twenty-eight".