522180 has 48 divisors (see below), whose sum is σ = 1626240. Its totient is φ = 139104.

The previous prime is 522167. The next prime is 522191. The reversal of 522180 is 81225.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 522180.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57 + ... + 1023.

It is an arithmetic number, because the mean of its divisors is an integer number (33880).

2⁵²²¹⁸⁰ 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 522180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813120).

522180 is an abundant number, since it is smaller than the sum of its proper divisors (1104060).

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

522180 is a wasteful number, since it uses less digits than its factorization.

522180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 522180 is about 722.6202322105. The cubic root of 522180 is about 80.5267326310.

The spelling of 522180 in words is "five hundred twenty-two thousand, one hundred eighty".