522276738 has 8 divisors (see below), whose sum is σ = 1044553488. Its totient is φ = 174092244.

The previous prime is 522276697. The next prime is 522276773. The reversal of 522276738 is 837672225.

It is a sphenic number, since it is the product of 3 distinct primes.

522276738 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 522276738.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43523056 + ... + 43523067.

It is an arithmetic number, because the mean of its divisors is an integer number (130569186).

Almost surely, 2^522276738 is an apocalyptic number.

522276738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

522276738 is a wasteful number, since it uses less digits than its factorization.

522276738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87046128.

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

The square root of 522276738 is about 22853.3747617283. The cubic root of 522276738 is about 805.3170506332.

The spelling of 522276738 in words is "five hundred twenty-two million, two hundred seventy-six thousand, seven hundred thirty-eight".