522888516 has 72 divisors (see below), whose sum is σ = 1412067384. Its totient is φ = 162570240.

The previous prime is 522888481. The next prime is 522888529. The reversal of 522888516 is 615888225.

522888516 is a `hidden beast` number, since 52 + 2 + 8 + 88 + 516 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3048516 + 519840000 = 1746^2 + 22800^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65376 + ... + 72936.

It is an arithmetic number, because the mean of its divisors is an integer number (19612047).

Almost surely, 2^522888516 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 522888516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706033692).

522888516 is an abundant number, since it is smaller than the sum of its proper divisors (889178868).

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

522888516 is a wasteful number, since it uses less digits than its factorization.

522888516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7701 (or 7696 counting only the distinct ones).

The product of its digits is 307200, while the sum is 45.

The square root of 522888516 is about 22866.7556946761. The cubic root of 522888516 is about 805.6313686795.

The spelling of 522888516 in words is "five hundred twenty-two million, eight hundred eighty-eight thousand, five hundred sixteen".