321393122 has 8 divisors (see below), whose sum is σ = 503050176. Its totient is φ = 153709732.

The previous prime is 321393067. The next prime is 321393139. The reversal of 321393122 is 221393123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 321393091 and 321393100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3493358 + ... + 3493449.

It is an arithmetic number, because the mean of its divisors is an integer number (62881272).

Almost surely, 2^321393122 is an apocalyptic number.

321393122 is a deficient number, since it is larger than the sum of its proper divisors (181657054).

321393122 is a wasteful number, since it uses less digits than its factorization.

321393122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6986832.

The product of its digits is 1944, while the sum is 26.

The square root of 321393122 is about 17927.4404754276. The cubic root of 321393122 is about 684.9815271982.

Subtracting from 321393122 its reverse (221393123), we obtain a palindrome (99999999).

The spelling of 321393122 in words is "three hundred twenty-one million, three hundred ninety-three thousand, one hundred twenty-two".