22494964 has 24 divisors (see below), whose sum is σ = 41742848. Its totient is φ = 10588320.

The previous prime is 22494959. The next prime is 22494971. The reversal of 22494964 is 46949422.

It is a super-2 number, since 2×22494964² = 1012046810722592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2137 + ... + 7039.

Almost surely, 2^22494964 is an apocalyptic number.

It is an amenable number.

22494964 is a deficient number, since it is larger than the sum of its proper divisors (19247884).

22494964 is a wasteful number, since it uses less digits than its factorization.

22494964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975 (or 4973 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 22494964 is about 4742.8856195359. The cubic root of 22494964 is about 282.2897446152.

The spelling of 22494964 in words is "twenty-two million, four hundred ninety-four thousand, nine hundred sixty-four".