522626652 has 72 divisors (see below), whose sum is σ = 1354080000. Its totient is φ = 169885728.

The previous prime is 522626651. The next prime is 522626653. The reversal of 522626652 is 256626225.

522626652 is a `hidden beast` number, since 5 + 22 + 626 + 6 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (522626651) and next prime (522626653).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522626651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 843999 + ... + 844617.

Almost surely, 2^522626652 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 522626652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677040000).

522626652 is an abundant number, since it is smaller than the sum of its proper divisors (831453348).

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

522626652 is a wasteful number, since it uses less digits than its factorization.

522626652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1170 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 522626652 is about 22861.0291106940. The cubic root of 522626652 is about 805.4968587578.

It can be divided in two parts, 5226 and 26652, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 522626652 in words is "five hundred twenty-two million, six hundred twenty-six thousand, six hundred fifty-two".