522256331136 has 256 divisors, whose sum is σ = 1442022160320. Its totient is φ = 167352729600.

The previous prime is 522256331119. The next prime is 522256331143. The reversal of 522256331136 is 631133652225.

It is a super-3 number, since 3×522256331136³ (a number of 36 digits) contains 333 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 522256331094 and 522256331103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429133600 + ... + 429134816.

Almost surely, 2^522256331136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522256331136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721011080160).

522256331136 is an abundant number, since it is smaller than the sum of its proper divisors (919765829184).

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

522256331136 is a wasteful number, since it uses less digits than its factorization.

522256331136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1641 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

The spelling of 522256331136 in words is "five hundred twenty-two billion, two hundred fifty-six million, three hundred thirty-one thousand, one hundred thirty-six".