522873726 has 48 divisors (see below), whose sum is σ = 1131792912. Its totient is φ = 160426240.

The previous prime is 522873721. The next prime is 522873727. The reversal of 522873726 is 627378225.

It is a super-2 number, since 2×522873726² = 546793866682246152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522873721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1681111 + ... + 1681421.

It is an arithmetic number, because the mean of its divisors is an integer number (23579019).

Almost surely, 2^522873726 is an apocalyptic number.

522873726 is an abundant number, since it is smaller than the sum of its proper divisors (608919186).

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

522873726 is a wasteful number, since it uses less digits than its factorization.

522873726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 386 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 522873726 is about 22866.4322971468. The cubic root of 522873726 is about 805.6237727963.

The spelling of 522873726 in words is "five hundred twenty-two million, eight hundred seventy-three thousand, seven hundred twenty-six".