321344404222 has 4 divisors (see below), whose sum is σ = 482016606336. Its totient is φ = 160672202110.

The previous prime is 321344404207. The next prime is 321344404253. The reversal of 321344404222 is 222404443123.

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

It is a super-2 number, since 2×321344404222² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80336101054 + ... + 80336101057.

It is an arithmetic number, because the mean of its divisors is an integer number (120504151584).

Almost surely, 2^321344404222 is an apocalyptic number.

321344404222 is a deficient number, since it is larger than the sum of its proper divisors (160672202114).

321344404222 is a wasteful number, since it uses less digits than its factorization.

321344404222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160672202113.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 321344404222 its reverse (222404443123), we get a palindrome (543748847345).

The spelling of 321344404222 in words is "three hundred twenty-one billion, three hundred forty-four million, four hundred four thousand, two hundred twenty-two".