522284 has 24 divisors (see below), whose sum is σ = 1091328. Its totient is φ = 213840.

The previous prime is 522283. The next prime is 522289. The reversal of 522284 is 482225.

522284 = 252² + 253² + ... + 259².

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (522281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (45472).

2⁵²²²⁸⁴ 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 522284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545664).

522284 is an abundant number, since it is smaller than the sum of its proper divisors (569044).

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

522284 is a wasteful number, since it uses less digits than its factorization.

522284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 843 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 522284 is about 722.6921889712. The cubic root of 522284 is about 80.5320783128.

The spelling of 522284 in words is "five hundred twenty-two thousand, two hundred eighty-four".