22233664 has 14 divisors (see below), whose sum is σ = 44120054. Its totient is φ = 11116800.

The previous prime is 22233643. The next prime is 22233677. The reversal of 22233664 is 46633222.

It can be written as a sum of positive squares in only one way, i.e., 21233664 + 1000000 = 4608^2 + 1000^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173637 + ... + 173764.

Almost surely, 2^22233664 is an apocalyptic number.

It is an amenable number.

22233664 is a deficient number, since it is larger than the sum of its proper divisors (21886390).

22233664 is an equidigital number, since it uses as much as digits as its factorization.

22233664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347413 (or 347403 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 22233664 is about 4715.2586355363. The cubic root of 22233664 is about 281.1924653339.

Adding to 22233664 its reverse (46633222), we get a palindrome (68866886).

The spelling of 22233664 in words is "twenty-two million, two hundred thirty-three thousand, six hundred sixty-four".