22630664 has 16 divisors (see below), whose sum is σ = 48494400. Its totient is φ = 9698832.

The previous prime is 22630639. The next prime is 22630667. The reversal of 22630664 is 46603622.

It is not an unprimeable number, because it can be changed into a prime (22630667) 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, 202004 + ... + 202115.

It is an arithmetic number, because the mean of its divisors is an integer number (3030900).

Almost surely, 2^22630664 is an apocalyptic number.

It is an amenable number.

22630664 is an abundant number, since it is smaller than the sum of its proper divisors (25863736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22630664 is a wasteful number, since it uses less digits than its factorization.

22630664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404132 (or 404128 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 22630664 is about 4757.1697468138. The cubic root of 22630664 is about 282.8562410027.

The spelling of 22630664 in words is "twenty-two million, six hundred thirty thousand, six hundred sixty-four".