323220315225 has 24 divisors (see below), whose sum is σ = 535412766112. Its totient is φ = 172054540800.

The previous prime is 323220315181. The next prime is 323220315227. The reversal of 323220315225 is 522513022323.

It is not a de Polignac number, because 323220315225 - 2¹² = 323220311129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323220315192 and 323220315201.

It is not an unprimeable number, because it can be changed into a prime (323220315227) 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, 4080856 + ... + 4159305.

Almost surely, 2^323220315225 is an apocalyptic number.

It is an amenable number.

323220315225 is a deficient number, since it is larger than the sum of its proper divisors (212192450887).

323220315225 is a wasteful number, since it uses less digits than its factorization.

323220315225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8240697 (or 8240692 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 323220315225 its reverse (522513022323), we get a palindrome (845733337548).

The spelling of 323220315225 in words is "three hundred twenty-three billion, two hundred twenty million, three hundred fifteen thousand, two hundred twenty-five".