22490956 has 12 divisors (see below), whose sum is σ = 39474400. Its totient is φ = 11212560.

The previous prime is 22490953. The next prime is 22490969. The reversal of 22490956 is 65909422.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6660 + ... + 9451.

Almost surely, 2^22490956 is an apocalyptic number.

It is an amenable number.

22490956 is a deficient number, since it is larger than the sum of its proper divisors (16983444).

22490956 is a wasteful number, since it uses less digits than its factorization.

22490956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16464 (or 16462 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 22490956 is about 4742.4630731298. The cubic root of 22490956 is about 282.2729781291.

The spelling of 22490956 in words is "twenty-two million, four hundred ninety thousand, nine hundred fifty-six".