622965516 has 12 divisors (see below), whose sum is σ = 1453586232. Its totient is φ = 207655168.

The previous prime is 622965509. The next prime is 622965517. The reversal of 622965516 is 615569226.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (622965517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25956885 + ... + 25956908.

It is an arithmetic number, because the mean of its divisors is an integer number (121132186).

Almost surely, 2^622965516 is an apocalyptic number.

It is an amenable number.

622965516 is an abundant number, since it is smaller than the sum of its proper divisors (830620716).

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

622965516 is a wasteful number, since it uses less digits than its factorization.

622965516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51913800 (or 51913798 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 622965516 is about 24959.2771529946. The cubic root of 622965516 is about 854.0592532385.

The spelling of 622965516 in words is "six hundred twenty-two million, nine hundred sixty-five thousand, five hundred sixteen".