232344221 has 2 divisors, whose sum is σ = 232344222. Its totient is φ = 232344220.

The previous prime is 232344139. The next prime is 232344227. The reversal of 232344221 is 122443232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207043321 + 25300900 = 14389^2 + 5030^2 .

It is a cyclic number.

It is not a de Polignac number, because 232344221 - 2¹⁰ = 232343197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232344227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116172110 + 116172111.

It is an arithmetic number, because the mean of its divisors is an integer number (116172111).

Almost surely, 2^232344221 is an apocalyptic number.

It is an amenable number.

232344221 is a deficient number, since it is larger than the sum of its proper divisors (1).

232344221 is an equidigital number, since it uses as much as digits as its factorization.

232344221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 23.

The square root of 232344221 is about 15242.8416314019. The cubic root of 232344221 is about 614.7671103570.

Adding to 232344221 its reverse (122443232), we get a palindrome (354787453).

The spelling of 232344221 in words is "two hundred thirty-two million, three hundred forty-four thousand, two hundred twenty-one".