22620464 has 20 divisors (see below), whose sum is σ = 45339360. Its totient is φ = 10920000.

The previous prime is 22620463. The next prime is 22620467. The reversal of 22620464 is 46402622.

It is not an unprimeable number, because it can be changed into a prime (22620463) 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, 23912 + ... + 24839.

It is an arithmetic number, because the mean of its divisors is an integer number (2266968).

Almost surely, 2^22620464 is an apocalyptic number.

It is an amenable number.

22620464 is an abundant number, since it is smaller than the sum of its proper divisors (22718896).

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

22620464 is a wasteful number, since it uses less digits than its factorization.

22620464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48788 (or 48782 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 22620464 is about 4756.0975599750. The cubic root of 22620464 is about 282.8137386818.

The spelling of 22620464 in words is "twenty-two million, six hundred twenty thousand, four hundred sixty-four".