322104221 has 4 divisors (see below), whose sum is σ = 322143744. Its totient is φ = 322064700.

The previous prime is 322104197. The next prime is 322104227. The reversal of 322104221 is 122401223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 322104221 - 2⁶ = 322104157 is a prime.

It is a super-2 number, since 2×322104221² = 207502258372033682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 322104221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322104227) 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 3 ways as a sum of consecutive naturals, for example, 2525 + ... + 25506.

It is an arithmetic number, because the mean of its divisors is an integer number (80535936).

Almost surely, 2^322104221 is an apocalyptic number.

It is an amenable number.

322104221 is a deficient number, since it is larger than the sum of its proper divisors (39523).

322104221 is a wasteful number, since it uses less digits than its factorization.

322104221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39522.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 322104221 is about 17947.2622146109. The cubic root of 322104221 is about 685.4863408252.

Adding to 322104221 its reverse (122401223), we get a palindrome (444505444).

The spelling of 322104221 in words is "three hundred twenty-two million, one hundred four thousand, two hundred twenty-one".