22490954 has 16 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 11002320.

The previous prime is 22490953. The next prime is 22490969. The reversal of 22490954 is 45909422.

It is not an unprimeable number, because it can be changed into a prime (22490953) 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, 20627 + ... + 21689.

It is an arithmetic number, because the mean of its divisors is an integer number (2154600).

Almost surely, 2^22490954 is an apocalyptic number.

22490954 is a deficient number, since it is larger than the sum of its proper divisors (11982646).

22490954 is a wasteful number, since it uses less digits than its factorization.

22490954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 22490954 is about 4742.4628622689. The cubic root of 22490954 is about 282.2729697621.

The spelling of 22490954 in words is "twenty-two million, four hundred ninety thousand, nine hundred fifty-four".