22935990 has 64 divisors (see below), whose sum is σ = 68636160. Its totient is φ = 4765440.

The previous prime is 22935929. The next prime is 22936027. The reversal of 22935990 is 9953922.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2655 + ... + 7274.

It is an arithmetic number, because the mean of its divisors is an integer number (1072440).

Almost surely, 2^22935990 is an apocalyptic number.

22935990 is an abundant number, since it is smaller than the sum of its proper divisors (45700170).

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

22935990 is a wasteful number, since it uses less digits than its factorization.

22935990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9957.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 22935990 is about 4789.1533698557. The cubic root of 22935990 is about 284.1226326833.

The spelling of 22935990 in words is "twenty-two million, nine hundred thirty-five thousand, nine hundred ninety".