234122231 has 4 divisors (see below), whose sum is σ = 267568272. Its totient is φ = 200676192.

The previous prime is 234122201. The next prime is 234122257. The reversal of 234122231 is 132221432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234122231 is a prime.

It is a super-2 number, since 2×234122231² = 109626438096834722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234122201) 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, 16723010 + ... + 16723023.

It is an arithmetic number, because the mean of its divisors is an integer number (66892068).

Almost surely, 2^234122231 is an apocalyptic number.

234122231 is a deficient number, since it is larger than the sum of its proper divisors (33446041).

234122231 is an equidigital number, since it uses as much as digits as its factorization.

234122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33446040.

The product of its digits is 576, while the sum is 20.

The square root of 234122231 is about 15301.0532643998. The cubic root of 234122231 is about 616.3312919351.

Adding to 234122231 its reverse (132221432), we get a palindrome (366343663).

The spelling of 234122231 in words is "two hundred thirty-four million, one hundred twenty-two thousand, two hundred thirty-one".