22513650 has 24 divisors (see below), whose sum is σ = 55834224. Its totient is φ = 6003600.

The previous prime is 22513609. The next prime is 22513663. The reversal of 22513650 is 5631522.

It is a self number, because there is not a number n which added to its sum of digits gives 22513650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74896 + ... + 75195.

It is an arithmetic number, because the mean of its divisors is an integer number (2326426).

Almost surely, 2^22513650 is an apocalyptic number.

22513650 is an abundant number, since it is smaller than the sum of its proper divisors (33320574).

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

22513650 is a wasteful number, since it uses less digits than its factorization.

22513650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150106 (or 150101 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 22513650 is about 4744.8551084306. The cubic root of 22513650 is about 282.3678866425.

The spelling of 22513650 in words is "twenty-two million, five hundred thirteen thousand, six hundred fifty".