232204201322221 has 16 divisors (see below), whose sum is σ = 246318173192448. Its totient is φ = 218141075520000.

The previous prime is 232204201322167. The next prime is 232204201322237. The reversal of 232204201322221 is 122223102402232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 232204201322221 - 2³⁵ = 232169841583853 is a prime.

It is a super-2 number, since 2×232204201322221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232204201322221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232204201392221) 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, 19943641 + ... + 29362513.

It is an arithmetic number, because the mean of its divisors is an integer number (15394885824528).

Almost surely, 2^{232204201322221} is an apocalyptic number.

It is an amenable number.

232204201322221 is a deficient number, since it is larger than the sum of its proper divisors (14113971870227).

232204201322221 is a wasteful number, since it uses less digits than its factorization.

232204201322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9421572.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 232204201322221 its reverse (122223102402232), we get a palindrome (354427303724453).

The spelling of 232204201322221 in words is "two hundred thirty-two trillion, two hundred four billion, two hundred one million, three hundred twenty-two thousand, two hundred twenty-one".