22365490 has 32 divisors (see below), whose sum is σ = 46212480. Its totient is φ = 7634304.

The previous prime is 22365479. The next prime is 22365503. The reversal of 22365490 is 9456322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19246 + ... + 20374.

It is an arithmetic number, because the mean of its divisors is an integer number (1444140).

Almost surely, 2^22365490 is an apocalyptic number.

22365490 is an abundant number, since it is smaller than the sum of its proper divisors (23846990).

22365490 is a wasteful number, since it uses less digits than its factorization.

22365490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 22365490 is about 4729.2166370341. The cubic root of 22365490 is about 281.7471116155.

The spelling of 22365490 in words is "twenty-two million, three hundred sixty-five thousand, four hundred ninety".