321424422 has 16 divisors (see below), whose sum is σ = 701289792. Its totient is φ = 97401320.

The previous prime is 321424421. The next prime is 321424451. The reversal of 321424422 is 224424123.

It is a junction number, because it is equal to n+sod(n) for n = 321424392 and 321424401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321424421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2434968 + ... + 2435099.

It is an arithmetic number, because the mean of its divisors is an integer number (43830612).

Almost surely, 2^321424422 is an apocalyptic number.

321424422 is an abundant number, since it is smaller than the sum of its proper divisors (379865370).

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

321424422 is a wasteful number, since it uses less digits than its factorization.

321424422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870083.

The product of its digits is 3072, while the sum is 24.

The square root of 321424422 is about 17928.3134176085. The cubic root of 321424422 is about 685.0037629218.

Adding to 321424422 its reverse (224424123), we get a palindrome (545848545).

The spelling of 321424422 in words is "three hundred twenty-one million, four hundred twenty-four thousand, four hundred twenty-two".