232552040221 has 4 divisors (see below), whose sum is σ = 238224041244. Its totient is φ = 226880039200.

The previous prime is 232552040219. The next prime is 232552040239. The reversal of 232552040221 is 122040255232.

232552040221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 22646036196 + 209906004025 = 150486^2 + 458155^2 .

It is a cyclic number.

It is not a de Polignac number, because 232552040221 - 2¹ = 232552040219 is a prime.

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 232552040221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232552040321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2836000450 + ... + 2836000531.

It is an arithmetic number, because the mean of its divisors is an integer number (59556010311).

Almost surely, 2^232552040221 is an apocalyptic number.

It is an amenable number.

232552040221 is a deficient number, since it is larger than the sum of its proper divisors (5672001023).

232552040221 is an equidigital number, since it uses as much as digits as its factorization.

232552040221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672001022.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 232552040221 its reverse (122040255232), we get a palindrome (354592295453).

The spelling of 232552040221 in words is "two hundred thirty-two billion, five hundred fifty-two million, forty thousand, two hundred twenty-one".