522305318889 has 12 divisors (see below), whose sum is σ = 771986156656. Its totient is φ = 340105788792.

The previous prime is 522305318783. The next prime is 522305318933. The reversal of 522305318889 is 988813503225.

522305318889 is a `hidden beast` number, since 5 + 2 + 23 + 0 + 531 + 8 + 8 + 89 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-522305318889 is a prime.

It is a super-2 number, since 2×522305318889² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522305318189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674812687 + ... + 674813460.

Almost surely, 2^522305318889 is an apocalyptic number.

It is an amenable number.

522305318889 is a deficient number, since it is larger than the sum of its proper divisors (249680837767).

522305318889 is a wasteful number, since it uses less digits than its factorization.

522305318889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349626196 (or 1349626193 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 522305318889 in words is "five hundred twenty-two billion, three hundred five million, three hundred eighteen thousand, eight hundred eighty-nine".