322122421 has 4 divisors (see below), whose sum is σ = 326200000. Its totient is φ = 318044844.

The previous prime is 322122413. The next prime is 322122439. The reversal of 322122421 is 124221223.

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.

It is a cyclic number.

It is not a de Polignac number, because 322122421 - 2³ = 322122413 is a prime.

It is a super-2 number, since 2×322122421² = 207525708221802482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322122221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038671 + ... + 2038828.

It is an arithmetic number, because the mean of its divisors is an integer number (81550000).

Almost surely, 2^322122421 is an apocalyptic number.

It is an amenable number.

322122421 is a deficient number, since it is larger than the sum of its proper divisors (4077579).

322122421 is an equidigital number, since it uses as much as digits as its factorization.

322122421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077578.

The product of its digits is 384, while the sum is 19.

The square root of 322122421 is about 17947.7692485724. The cubic root of 322122421 is about 685.4992513633.

Adding to 322122421 its reverse (124221223), we get a palindrome (446343644).

The spelling of 322122421 in words is "three hundred twenty-two million, one hundred twenty-two thousand, four hundred twenty-one".