322231230221 has 4 divisors (see below), whose sum is σ = 322234361244. Its totient is φ = 322228099200.

The previous prime is 322231230169. The next prime is 322231230229. The reversal of 322231230221 is 122032132223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74739904996 + 247491325225 = 273386^2 + 497485^2 .

It is a cyclic number.

It is not a de Polignac number, because 322231230221 - 2¹⁰ = 322231229197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322231230229) 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, 1405700 + ... + 1618781.

It is an arithmetic number, because the mean of its divisors is an integer number (80558590311).

Almost surely, 2^322231230221 is an apocalyptic number.

It is an amenable number.

322231230221 is a deficient number, since it is larger than the sum of its proper divisors (3131023).

322231230221 is a wasteful number, since it uses less digits than its factorization.

322231230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131022.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 322231230221 its reverse (122032132223), we get a palindrome (444263362444).

The spelling of 322231230221 in words is "three hundred twenty-two billion, two hundred thirty-one million, two hundred thirty thousand, two hundred twenty-one".