22364490 has 32 divisors (see below), whose sum is σ = 53804736. Its totient is φ = 5949440.

The previous prime is 22364479. The next prime is 22364513. The reversal of 22364490 is 9446322.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 18649 + ... + 19811.

It is an arithmetic number, because the mean of its divisors is an integer number (1681398).

Almost surely, 2^22364490 is an apocalyptic number.

22364490 is an abundant number, since it is smaller than the sum of its proper divisors (31440246).

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

22364490 is a wasteful number, since it uses less digits than its factorization.

22364490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 22364490 is about 4729.1109100972. The cubic root of 22364490 is about 281.7429124183.

The spelling of 22364490 in words is "twenty-two million, three hundred sixty-four thousand, four hundred ninety".