522315322 has 4 divisors (see below), whose sum is σ = 783472986. Its totient is φ = 261157660.

The previous prime is 522315253. The next prime is 522315323. The reversal of 522315322 is 223513225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 334926601 + 187388721 = 18301^2 + 13689^2 .

It is not an unprimeable number, because it can be changed into a prime (522315323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130578829 + ... + 130578832.

Almost surely, 2^522315322 is an apocalyptic number.

522315322 is a deficient number, since it is larger than the sum of its proper divisors (261157664).

522315322 is a wasteful number, since it uses less digits than its factorization.

522315322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261157663.

The product of its digits is 3600, while the sum is 25.

The square root of 522315322 is about 22854.2189103019. The cubic root of 522315322 is about 805.3368814915.

Adding to 522315322 its reverse (223513225), we get a palindrome (745828547).

It can be divided in two parts, 522 and 315322, that added together give a square (315844 = 562²).

The spelling of 522315322 in words is "five hundred twenty-two million, three hundred fifteen thousand, three hundred twenty-two".