522388 has 12 divisors (see below), whose sum is σ = 927220. Its totient is φ = 257472.

The previous prime is 522383. The next prime is 522391. The reversal of 522388 is 883225.

It can be written as a sum of positive squares in 2 ways, for example, as 412164 + 110224 = 642^2 + 332^2 .

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522383) 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 3 ways as a sum of consecutive naturals, for example, 603 + ... + 1186.

2⁵²²³⁸⁸ is an apocalyptic number.

It is an amenable number.

522388 is a deficient number, since it is larger than the sum of its proper divisors (404832).

522388 is a wasteful number, since it uses less digits than its factorization.

522388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 1864 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 522388 is about 722.7641385680. The cubic root of 522388 is about 80.5374232849.

The spelling of 522388 in words is "five hundred twenty-two thousand, three hundred eighty-eight".