322223201221 has 16 divisors (see below), whose sum is σ = 332419279360. Its totient is φ = 312204222720.

The previous prime is 322223201219. The next prime is 322223201231. The reversal of 322223201221 is 122102322223.

It is a cyclic number.

It is not a de Polignac number, because 322223201221 - 2¹ = 322223201219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322223201192 and 322223201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322223201231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2009416 + ... + 2163838.

It is an arithmetic number, because the mean of its divisors is an integer number (20776204960).

Almost surely, 2^322223201221 is an apocalyptic number.

It is an amenable number.

322223201221 is a deficient number, since it is larger than the sum of its proper divisors (10196078139).

322223201221 is a wasteful number, since it uses less digits than its factorization.

322223201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154996.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 322223201221 its reverse (122102322223), we get a palindrome (444325523444).

The spelling of 322223201221 in words is "three hundred twenty-two billion, two hundred twenty-three million, two hundred one thousand, two hundred twenty-one".