522330 has 32 divisors (see below), whose sum is σ = 1309824. Its totient is φ = 133056.

The previous prime is 522323. The next prime is 522337. The reversal of 522330 is 33225.

It is an interprime number because it is at equal distance from previous prime (522323) and next prime (522337).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (522337) by changing a digit.

522330 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312 + ... + 1068.

It is an arithmetic number, because the mean of its divisors is an integer number (40932).

2⁵²²³³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654912).

522330 is an abundant number, since it is smaller than the sum of its proper divisors (787494).

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

522330 is a wasteful number, since it uses less digits than its factorization.

522330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 522330 is about 722.7240137148. The cubic root of 522330 is about 80.5344425226.

Adding to 522330 its reverse (33225), we get a palindrome (555555).

It can be divided in two parts, 5223 and 30, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 522330 in words is "five hundred twenty-two thousand, three hundred thirty".