522874368 has 120 divisors (see below), whose sum is σ = 1518639408. Its totient is φ = 173187072.

The previous prime is 522874351. The next prime is 522874397. The reversal of 522874368 is 863478225.

522874368 is a `hidden beast` number, since 5 + 2 + 287 + 4 + 368 = 666.

It is a super-2 number, since 2×522874368² = 546795209422798848, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 1073421 + ... + 1073907.

Almost surely, 2^522874368 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 522874368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (759319704).

522874368 is an abundant number, since it is smaller than the sum of its proper divisors (995765040).

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

522874368 is a wasteful number, since it uses less digits than its factorization.

522874368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 725 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 522874368 is about 22866.4463351873. The cubic root of 522874368 is about 805.6241025191.

The spelling of 522874368 in words is "five hundred twenty-two million, eight hundred seventy-four thousand, three hundred sixty-eight".