231422241 has 24 divisors (see below), whose sum is σ = 329261184. Its totient is φ = 144551680.

The previous prime is 231422237. The next prime is 231422267. The reversal of 231422241 is 142224132.

231422241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231422241 - 2² = 231422237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231422201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253576 + ... + 254486.

It is an arithmetic number, because the mean of its divisors is an integer number (13719216).

Almost surely, 2^231422241 is an apocalyptic number.

It is an amenable number.

231422241 is a deficient number, since it is larger than the sum of its proper divisors (97838943).

231422241 is a wasteful number, since it uses less digits than its factorization.

231422241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1224 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 231422241 is about 15212.5685207988. The cubic root of 231422241 is about 613.9528667926.

Adding to 231422241 its reverse (142224132), we get a palindrome (373646373).

The spelling of 231422241 in words is "two hundred thirty-one million, four hundred twenty-two thousand, two hundred forty-one".