522822 has 16 divisors (see below), whose sum is σ = 1059840. Its totient is φ = 171912.

The previous prime is 522811. The next prime is 522827. The reversal of 522822 is 228225.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522827) 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, 78 + ... + 1025.

It is an arithmetic number, because the mean of its divisors is an integer number (66240).

2⁵²²⁸²² is an apocalyptic number.

522822 is an abundant number, since it is smaller than the sum of its proper divisors (537018).

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

522822 is a wasteful number, since it uses less digits than its factorization.

522822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187.

The product of its digits is 640, while the sum is 21.

The square root of 522822 is about 723.0643124923. The cubic root of 522822 is about 80.5597206108.

The spelling of 522822 in words is "five hundred twenty-two thousand, eight hundred twenty-two".