622964539 has 16 divisors (see below), whose sum is σ = 644450400. Its totient is φ = 601945344.

The previous prime is 622964527. The next prime is 622964557. The reversal of 622964539 is 935469226.

It is a cyclic number.

It is not a de Polignac number, because 622964539 - 2²³ = 614575931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622964939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009359 + ... + 1009975.

It is an arithmetic number, because the mean of its divisors is an integer number (40278150).

Almost surely, 2^622964539 is an apocalyptic number.

622964539 is a deficient number, since it is larger than the sum of its proper divisors (21485861).

622964539 is a wasteful number, since it uses less digits than its factorization.

622964539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942.

The product of its digits is 699840, while the sum is 46.

The square root of 622964539 is about 24959.2575811061. The cubic root of 622964539 is about 854.0588067631.

The spelling of 622964539 in words is "six hundred twenty-two million, nine hundred sixty-four thousand, five hundred thirty-nine".