622064464 has 40 divisors (see below), whose sum is σ = 1411034688. Its totient is φ = 260094720.

The previous prime is 622064447. The next prime is 622064489. The reversal of 622064464 is 464460226.

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, 63142 + ... + 72325.

Almost surely, 2^622064464 is an apocalyptic number.

It is an amenable number.

622064464 is an abundant number, since it is smaller than the sum of its proper divisors (788970224).

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

622064464 is a wasteful number, since it uses less digits than its factorization.

622064464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135523 (or 135517 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 622064464 is about 24941.2201786520. The cubic root of 622064464 is about 853.6472865506.

The spelling of 622064464 in words is "six hundred twenty-two million, sixty-four thousand, four hundred sixty-four".