232404221 has 8 divisors (see below), whose sum is σ = 267141504. Its totient is φ = 198051120.

The previous prime is 232404199. The next prime is 232404223. The reversal of 232404221 is 122404232.

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

It is a cyclic number.

It is not a de Polignac number, because 232404221 - 2⁶ = 232404157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232404193 and 232404202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232404223) 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, 94745 + ... + 97166.

It is an arithmetic number, because the mean of its divisors is an integer number (33392688).

Almost surely, 2^232404221 is an apocalyptic number.

It is an amenable number.

232404221 is a deficient number, since it is larger than the sum of its proper divisors (34737283).

232404221 is a wasteful number, since it uses less digits than its factorization.

232404221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192091.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 232404221 is about 15244.8096413173. The cubic root of 232404221 is about 614.8200244511.

Adding to 232404221 its reverse (122404232), we get a palindrome (354808453).

The spelling of 232404221 in words is "two hundred thirty-two million, four hundred four thousand, two hundred twenty-one".