22453690 has 16 divisors (see below), whose sum is σ = 46190592. Its totient is φ = 7698384.

The previous prime is 22453667. The next prime is 22453693. The reversal of 22453690 is 9635422.

It is a super-2 number, since 2×22453690² = 1008336389232200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22453693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160314 + ... + 160453.

It is an arithmetic number, because the mean of its divisors is an integer number (2886912).

Almost surely, 2^22453690 is an apocalyptic number.

22453690 is an abundant number, since it is smaller than the sum of its proper divisors (23736902).

22453690 is a wasteful number, since it uses less digits than its factorization.

22453690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320781.

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

The square root of 22453690 is about 4738.5324732453. The cubic root of 22453690 is about 282.1169895025.

The spelling of 22453690 in words is "twenty-two million, four hundred fifty-three thousand, six hundred ninety".