522312252 has 48 divisors (see below), whose sum is σ = 1519456512. Its totient is φ = 135665280.

The previous prime is 522312251. The next prime is 522312289. The reversal of 522312252 is 252213225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522312251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281713 + ... + 283560.

It is an arithmetic number, because the mean of its divisors is an integer number (31655344).

Almost surely, 2^522312252 is an apocalyptic number.

It is an amenable number.

522312252 is an abundant number, since it is smaller than the sum of its proper divisors (997144260).

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

522312252 is a wasteful number, since it uses less digits than its factorization.

522312252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565298 (or 565296 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 522312252 is about 22854.1517453613. The cubic root of 522312252 is about 805.3353036521.

Adding to 522312252 its reverse (252213225), we get a palindrome (774525477).

The spelling of 522312252 in words is "five hundred twenty-two million, three hundred twelve thousand, two hundred fifty-two".