622138604 has 24 divisors (see below), whose sum is σ = 1094855328. Its totient is φ = 309329280.

The previous prime is 622138591. The next prime is 622138607. The reversal of 622138604 is 406831226.

It is not an unprimeable number, because it can be changed into a prime (622138607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014602 + ... + 1015214.

It is an arithmetic number, because the mean of its divisors is an integer number (45618972).

Almost surely, 2^622138604 is an apocalyptic number.

It is an amenable number.

622138604 is a deficient number, since it is larger than the sum of its proper divisors (472716724).

622138604 is a wasteful number, since it uses less digits than its factorization.

622138604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 622138604 is about 24942.7064289343. The cubic root of 622138604 is about 853.6811988428.

The spelling of 622138604 in words is "six hundred twenty-two million, one hundred thirty-eight thousand, six hundred four".