321403422 has 24 divisors (see below), whose sum is σ = 652598856. Its totient is φ = 105526608.

The previous prime is 321403417. The next prime is 321403441. The reversal of 321403422 is 224304123.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20968 + ... + 32900.

It is an arithmetic number, because the mean of its divisors is an integer number (27191619).

Almost surely, 2^321403422 is an apocalyptic number.

321403422 is an abundant number, since it is smaller than the sum of its proper divisors (331195434).

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

321403422 is a wasteful number, since it uses less digits than its factorization.

321403422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12072 (or 12005 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 321403422 is about 17927.7277422433. The cubic root of 321403422 is about 684.9888445446.

Adding to 321403422 its reverse (224304123), we get a palindrome (545707545).

The spelling of 321403422 in words is "three hundred twenty-one million, four hundred three thousand, four hundred twenty-two".