323231221222 has 64 divisors (see below), whose sum is σ = 641506682880. Its totient is φ = 118564062336.

The previous prime is 323231221189. The next prime is 323231221253. The reversal of 323231221222 is 222122132323.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 831873 + ... + 1156924.

It is an arithmetic number, because the mean of its divisors is an integer number (10023541920).

Almost surely, 2^323231221222 is an apocalyptic number.

323231221222 is a deficient number, since it is larger than the sum of its proper divisors (318275461658).

323231221222 is a wasteful number, since it uses less digits than its factorization.

323231221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988885.

The product of its digits is 3456, while the sum is 25.

Adding to 323231221222 its reverse (222122132323), we get a palindrome (545353353545).

The spelling of 323231221222 in words is "three hundred twenty-three billion, two hundred thirty-one million, two hundred twenty-one thousand, two hundred twenty-two".