622564612 has 12 divisors (see below), whose sum is σ = 1101730140. Its totient is φ = 307784576.

The previous prime is 622564601. The next prime is 622564669. The reversal of 622564612 is 216465226.

It can be written as a sum of positive squares in 2 ways, for example, as 170406916 + 452157696 = 13054^2 + 21264^2 .

It is a super-2 number, since 2×622564612² = 775173392229421088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874033 + ... + 874744.

It is an arithmetic number, because the mean of its divisors is an integer number (91810845).

Almost surely, 2^622564612 is an apocalyptic number.

It is an amenable number.

622564612 is a deficient number, since it is larger than the sum of its proper divisors (479165528).

622564612 is a wasteful number, since it uses less digits than its factorization.

622564612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748870 (or 1748868 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 622564612 is about 24951.2446984113. The cubic root of 622564612 is about 853.8760064740.

The spelling of 622564612 in words is "six hundred twenty-two million, five hundred sixty-four thousand, six hundred twelve".