522844 has 24 divisors (see below), whose sum is σ = 1064448. Its totient is φ = 220080.

The previous prime is 522839. The next prime is 522853. The reversal of 522844 is 448225.

It is a happy number.

It is an Ulam number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1857 + ... + 2119.

It is an arithmetic number, because the mean of its divisors is an integer number (44352).

2⁵²²⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

522844 is an abundant number, since it is smaller than the sum of its proper divisors (541604).

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

522844 is a wasteful number, since it uses less digits than its factorization.

522844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 343 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 522844 is about 723.0795253636. The cubic root of 522844 is about 80.5608505614.

It can be divided in two parts, 5228 and 44, that multiplied together give a palindrome (230032).

The spelling of 522844 in words is "five hundred twenty-two thousand, eight hundred forty-four".