232332213221 has 4 divisors (see below), whose sum is σ = 232688005932. Its totient is φ = 231976420512.

The previous prime is 232332213193. The next prime is 232332213247. The reversal of 232332213221 is 122312233232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26838630625 + 205493582596 = 163825^2 + 453314^2 .

It is a cyclic number.

It is not a de Polignac number, because 232332213221 - 2³⁴ = 215152344037 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 (232332213721) 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, 177895376 + ... + 177896681.

It is an arithmetic number, because the mean of its divisors is an integer number (58172001483).

Almost surely, 2^232332213221 is an apocalyptic number.

It is an amenable number.

232332213221 is a deficient number, since it is larger than the sum of its proper divisors (355792711).

232332213221 is an equidigital number, since it uses as much as digits as its factorization.

232332213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355792710.

The product of its digits is 5184, while the sum is 26.

Adding to 232332213221 its reverse (122312233232), we get a palindrome (354644446453).

The spelling of 232332213221 in words is "two hundred thirty-two billion, three hundred thirty-two million, two hundred thirteen thousand, two hundred twenty-one".