232221331230221 has 16 divisors (see below), whose sum is σ = 235315504080000. Its totient is φ = 229137991104000.

The previous prime is 232221331230191. The next prime is 232221331230241. The reversal of 232221331230221 is 122032133122232.

It is a cyclic number.

It is not a de Polignac number, because 232221331230221 - 2²² = 232221327035917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232221331230241) 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, 770424581 + ... + 770725941.

It is an arithmetic number, because the mean of its divisors is an integer number (14707219005000).

Almost surely, 2^{232221331230221} is an apocalyptic number.

It is an amenable number.

232221331230221 is a deficient number, since it is larger than the sum of its proper divisors (3094172849779).

232221331230221 is a wasteful number, since it uses less digits than its factorization.

232221331230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319300.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 232221331230221 its reverse (122032133122232), we get a palindrome (354253464352453).

The spelling of 232221331230221 in words is "two hundred thirty-two trillion, two hundred twenty-one billion, three hundred thirty-one million, two hundred thirty thousand, two hundred twenty-one".