22609964 has 12 divisors (see below), whose sum is σ = 42611184. Its totient is φ = 10435344.

The previous prime is 22609933. The next prime is 22609967. The reversal of 22609964 is 46990622.

It is a super-2 number, since 2×22609964² = 1022420944162592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22609967) 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, 217352 + ... + 217455.

It is an arithmetic number, because the mean of its divisors is an integer number (3550932).

Almost surely, 2^22609964 is an apocalyptic number.

It is an amenable number.

22609964 is a deficient number, since it is larger than the sum of its proper divisors (20001220).

22609964 is a wasteful number, since it uses less digits than its factorization.

22609964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434824 (or 434822 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 22609964 is about 4754.9935856949. The cubic root of 22609964 is about 282.7699729447.

The spelling of 22609964 in words is "twenty-two million, six hundred nine thousand, nine hundred sixty-four".