232213223221 has 8 divisors (see below), whose sum is σ = 265687781184. Its totient is φ = 198813975360.

The previous prime is 232213223197. The next prime is 232213223287. The reversal of 232213223221 is 122322312232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 232213223221 - 2⁵ = 232213223189 is a prime.

It is a super-2 number, since 2×232213223221² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232213223321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18820915 + ... + 18833248.

It is an arithmetic number, because the mean of its divisors is an integer number (33210972648).

Almost surely, 2^232213223221 is an apocalyptic number.

It is an amenable number.

232213223221 is a deficient number, since it is larger than the sum of its proper divisors (33474557963).

232213223221 is an equidigital number, since it uses as much as digits as its factorization.

232213223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37655051.

The product of its digits is 3456, while the sum is 25.

Adding to 232213223221 its reverse (122322312232), we get a palindrome (354535535453).

The spelling of 232213223221 in words is "two hundred thirty-two billion, two hundred thirteen million, two hundred twenty-three thousand, two hundred twenty-one".