522259868 has 12 divisors (see below), whose sum is σ = 984259080. Its totient is φ = 241042992.

The previous prime is 522259867. The next prime is 522259889. The reversal of 522259868 is 868952225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522259861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5021678 + ... + 5021781.

It is an arithmetic number, because the mean of its divisors is an integer number (82021590).

Almost surely, 2^522259868 is an apocalyptic number.

It is an amenable number.

522259868 is a deficient number, since it is larger than the sum of its proper divisors (461999212).

522259868 is a wasteful number, since it uses less digits than its factorization.

522259868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10043476 (or 10043474 counting only the distinct ones).

The product of its digits is 691200, while the sum is 47.

The square root of 522259868 is about 22853.0056666514. The cubic root of 522259868 is about 805.3083797224.

The spelling of 522259868 in words is "five hundred twenty-two million, two hundred fifty-nine thousand, eight hundred sixty-eight".