321343422 has 16 divisors (see below), whose sum is σ = 643926672. Its totient is φ = 106907840.

The previous prime is 321343391. The next prime is 321343433. The reversal of 321343422 is 224343123.

It is a junction number, because it is equal to n+sod(n) for n = 321343392 and 321343401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48273 + ... + 54524.

It is an arithmetic number, because the mean of its divisors is an integer number (40245417).

Almost surely, 2^321343422 is an apocalyptic number.

321343422 is an abundant number, since it is smaller than the sum of its proper divisors (322583250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321343422 is a wasteful number, since it uses less digits than its factorization.

321343422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103323.

The product of its digits is 3456, while the sum is 24.

The square root of 321343422 is about 17926.0542786192. The cubic root of 321343422 is about 684.9462170287.

Adding to 321343422 its reverse (224343123), we get a palindrome (545686545).

The spelling of 321343422 in words is "three hundred twenty-one million, three hundred forty-three thousand, four hundred twenty-two".