518944122 has 12 divisors (see below), whose sum is σ = 1124378970. Its totient is φ = 172981368.

The previous prime is 518944051. The next prime is 518944157. The reversal of 518944122 is 221449815.

It can be written as a sum of positive squares in only one way, i.e., 504496521 + 14447601 = 22461^2 + 3801^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14415097 + ... + 14415132.

Almost surely, 2^518944122 is an apocalyptic number.

518944122 is an abundant number, since it is smaller than the sum of its proper divisors (605434848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

518944122 is a wasteful number, since it uses less digits than its factorization.

518944122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28830237 (or 28830234 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 518944122 is about 22780.3450807928. The cubic root of 518944122 is about 803.6005013854.

The spelling of 518944122 in words is "five hundred eighteen million, nine hundred forty-four thousand, one hundred twenty-two".