322221303221 has 4 divisors (see below), whose sum is σ = 339180319200. Its totient is φ = 305262287244.

The previous prime is 322221303199. The next prime is 322221303241. The reversal of 322221303221 is 122303122223.

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 an emirpimes, since its reverse is a distinct semiprime: 122303122223 = 3907 ⋅31303589.

It is a cyclic number.

It is not a de Polignac number, because 322221303221 - 2³⁴ = 305041434037 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 (322221303241) 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, 8479507961 + ... + 8479507998.

It is an arithmetic number, because the mean of its divisors is an integer number (84795079800).

Almost surely, 2^322221303221 is an apocalyptic number.

It is an amenable number.

322221303221 is a deficient number, since it is larger than the sum of its proper divisors (16959015979).

322221303221 is a wasteful number, since it uses less digits than its factorization.

322221303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16959015978.

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

Adding to 322221303221 its reverse (122303122223), we get a palindrome (444524425444).

The spelling of 322221303221 in words is "three hundred twenty-two billion, two hundred twenty-one million, three hundred three thousand, two hundred twenty-one".