522072156 has 24 divisors (see below), whose sum is σ = 1218929040. Its totient is φ = 173915392.

The previous prime is 522072151. The next prime is 522072157. The reversal of 522072156 is 651270225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522072151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7780 + ... + 33236.

It is an arithmetic number, because the mean of its divisors is an integer number (50788710).

Almost surely, 2^522072156 is an apocalyptic number.

It is an amenable number.

522072156 is an abundant number, since it is smaller than the sum of its proper divisors (696856884).

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

522072156 is a wasteful number, since it uses less digits than its factorization.

522072156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27173 (or 27171 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 522072156 is about 22848.8983541877. The cubic root of 522072156 is about 805.2118861501.

The spelling of 522072156 in words is "five hundred twenty-two million, seventy-two thousand, one hundred fifty-six".