522216620512 has 48 divisors (see below), whose sum is σ = 1094290912512. Its totient is φ = 244462305280.

The previous prime is 522216620509. The next prime is 522216620533. The reversal of 522216620512 is 215026612225.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2409073 + ... + 2616880.

It is an arithmetic number, because the mean of its divisors is an integer number (22797727344).

Almost surely, 2^522216620512 is an apocalyptic number.

It is an amenable number.

522216620512 is an abundant number, since it is smaller than the sum of its proper divisors (572074292000).

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

522216620512 is a wasteful number, since it uses less digits than its factorization.

522216620512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026171 (or 5026163 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 522216620512 in words is "five hundred twenty-two billion, two hundred sixteen million, six hundred twenty thousand, five hundred twelve".