522324321 has 4 divisors (see below), whose sum is σ = 696432432. Its totient is φ = 348216212.

The previous prime is 522324317. The next prime is 522324323. The reversal of 522324321 is 123423225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 522324321 - 2² = 522324317 is a prime.

It is a super-2 number, since 2×522324321² = 545645392616222082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 522324291 and 522324300.

It is not an unprimeable number, because it can be changed into a prime (522324323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87054051 + ... + 87054056.

It is an arithmetic number, because the mean of its divisors is an integer number (174108108).

Almost surely, 2^522324321 is an apocalyptic number.

It is an amenable number.

522324321 is a deficient number, since it is larger than the sum of its proper divisors (174108111).

522324321 is a wasteful number, since it uses less digits than its factorization.

522324321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174108110.

The product of its digits is 2880, while the sum is 24.

The square root of 522324321 is about 22854.4157877641. The cubic root of 522324321 is about 805.3415065297.

Adding to 522324321 its reverse (123423225), we get a palindrome (645747546).

The spelling of 522324321 in words is "five hundred twenty-two million, three hundred twenty-four thousand, three hundred twenty-one".