522270664512642 has 24 divisors (see below), whose sum is σ = 1132376102387244. Its totient is φ = 173968734948864.

The previous prime is 522270664512607. The next prime is 522270664512677. The reversal of 522270664512642 is 246215466072225.

522270664512642 is a `hidden beast` number, since 5 + 2 + 2 + 2 + 7 + 0 + 6 + 64 + 512 + 64 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (522270664512607) and next prime (522270664512677).

It can be written as a sum of positive squares in 2 ways, for example, as 500282733734001 + 21987930778641 = 22367001^2 + 4689129^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10123853103 + ... + 10123904690.

Almost surely, 2^{522270664512642} is an apocalyptic number.

522270664512642 is an abundant number, since it is smaller than the sum of its proper divisors (610105437874602).

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

522270664512642 is a wasteful number, since it uses less digits than its factorization.

522270664512642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20247759234 (or 20247759231 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 54.

The spelling of 522270664512642 in words is "five hundred twenty-two trillion, two hundred seventy billion, six hundred sixty-four million, five hundred twelve thousand, six hundred forty-two".