22500328 has 8 divisors (see below), whose sum is σ = 42188130. Its totient is φ = 11250160.

The previous prime is 22500323. The next prime is 22500353. The reversal of 22500328 is 82300522.

It can be written as a sum of positive squares in only one way, i.e., 16826404 + 5673924 = 4102^2 + 2382^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 22500299 and 22500308.

It is not an unprimeable number, because it can be changed into a prime (22500323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1406263 + ... + 1406278.

Almost surely, 2^22500328 is an apocalyptic number.

It is an amenable number.

22500328 is a deficient number, since it is larger than the sum of its proper divisors (19687802).

22500328 is a wasteful number, since it uses less digits than its factorization.

22500328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812547 (or 2812543 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 22500328 is about 4743.4510643623. The cubic root of 22500328 is about 282.3121804791.

The spelling of 22500328 in words is "twenty-two million, five hundred thousand, three hundred twenty-eight".