622660004 has 12 divisors (see below), whose sum is σ = 1089877404. Its totient is φ = 311266464.

The previous prime is 622659991. The next prime is 622660007. The reversal of 622660004 is 400066226.

It can be written as a sum of positive squares in 2 ways, for example, as 186267904 + 436392100 = 13648^2 + 20890^2 .

It is not an unprimeable number, because it can be changed into a prime (622660007) 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, 11354 + ... + 37070.

It is an arithmetic number, because the mean of its divisors is an integer number (90823117).

Almost surely, 2^622660004 is an apocalyptic number.

It is an amenable number.

622660004 is a deficient number, since it is larger than the sum of its proper divisors (467217400).

622660004 is a wasteful number, since it uses less digits than its factorization.

622660004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31774 (or 31772 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 622660004 is about 24953.1561931552. The cubic root of 622660004 is about 853.9196157522.

The spelling of 622660004 in words is "six hundred twenty-two million, six hundred sixty thousand, four".