22538130 has 32 divisors (see below), whose sum is σ = 54903744. Its totient is φ = 5919936.

The previous prime is 22538119. The next prime is 22538203. The reversal of 22538130 is 3183522.

It is a self number, because there is not a number n which added to its sum of digits gives 22538130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3597 + ... + 7616.

It is an arithmetic number, because the mean of its divisors is an integer number (1715742).

Almost surely, 2^22538130 is an apocalyptic number.

22538130 is an abundant number, since it is smaller than the sum of its proper divisors (32365614).

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

22538130 is a wasteful number, since it uses less digits than its factorization.

22538130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11290.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22538130 is about 4747.4340437756. The cubic root of 22538130 is about 282.4701929028.

The spelling of 22538130 in words is "twenty-two million, five hundred thirty-eight thousand, one hundred thirty".