622901764 has 9 divisors (see below), whose sum is σ = 1090165447. Its totient is φ = 311425924.

The previous prime is 622901761. The next prime is 622901779. The reversal of 622901764 is 467109226.

The square root of 622901764 is 24958.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622901761) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 43677 + ... + 56155.

Almost surely, 2^622901764 is an apocalyptic number.

622901764 is the 24958-th square number.

It is an amenable number.

622901764 is a deficient number, since it is larger than the sum of its proper divisors (467263683).

622901764 is an frugal number, since it uses more digits than its factorization.

622901764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24962 (or 12481 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The cubic root of 622901764 is about 854.0301184836.

The spelling of 622901764 in words is "six hundred twenty-two million, nine hundred one thousand, seven hundred sixty-four".