322121002223 has 4 divisors (see below), whose sum is σ = 322122308088. Its totient is φ = 322119696360.

The previous prime is 322121002207. The next prime is 322121002261. The reversal of 322121002223 is 322200121223.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 322200121223 = 19 ⋅16957901117.

It is a cyclic number.

It is not a de Polignac number, because 322121002223 - 2⁴ = 322121002207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322121002195 and 322121002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322121082223) 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, 157733 + ... + 817998.

It is an arithmetic number, because the mean of its divisors is an integer number (80530577022).

Almost surely, 2^322121002223 is an apocalyptic number.

322121002223 is a deficient number, since it is larger than the sum of its proper divisors (1305865).

322121002223 is an equidigital number, since it uses as much as digits as its factorization.

322121002223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305864.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 322121002223 its reverse (322200121223), we get a palindrome (644321123446).

The spelling of 322121002223 in words is "three hundred twenty-two billion, one hundred twenty-one million, two thousand, two hundred twenty-three".