322133421 has 16 divisors (see below), whose sum is σ = 444836160. Its totient is φ = 207110400.

The previous prime is 322133407. The next prime is 322133447. The reversal of 322133421 is 124331223.

It is not a de Polignac number, because 322133421 - 2⁷ = 322133293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322133401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102946 + ... + 106028.

It is an arithmetic number, because the mean of its divisors is an integer number (27802260).

Almost surely, 2^322133421 is an apocalyptic number.

It is an amenable number.

322133421 is a deficient number, since it is larger than the sum of its proper divisors (122702739).

322133421 is a wasteful number, since it uses less digits than its factorization.

322133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316.

The product of its digits is 864, while the sum is 21.

The square root of 322133421 is about 17948.0756907252. The cubic root of 322133421 is about 685.5070542000.

Adding to 322133421 its reverse (124331223), we get a palindrome (446464644).

The spelling of 322133421 in words is "three hundred twenty-two million, one hundred thirty-three thousand, four hundred twenty-one".