22408528 has 20 divisors (see below), whose sum is σ = 43524000. Its totient is φ = 11176544.

The previous prime is 22408513. The next prime is 22408531. The reversal of 22408528 is 82580422.

It is a self number, because there is not a number n which added to its sum of digits gives 22408528.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5973 + ... + 8971.

It is an arithmetic number, because the mean of its divisors is an integer number (2176200).

Almost surely, 2^22408528 is an apocalyptic number.

It is an amenable number.

22408528 is a deficient number, since it is larger than the sum of its proper divisors (21115472).

22408528 is a wasteful number, since it uses less digits than its factorization.

22408528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474 (or 3468 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 22408528 is about 4733.7646751819. The cubic root of 22408528 is about 281.9277181744.

The spelling of 22408528 in words is "twenty-two million, four hundred eight thousand, five hundred twenty-eight".