234225191 has 2 divisors, whose sum is σ = 234225192. Its totient is φ = 234225190.

The previous prime is 234225143. The next prime is 234225203. The reversal of 234225191 is 191522432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234225191 is a prime.

It is a super-2 number, since 2×234225191² = 109722880197972962, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234225991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117112595 + 117112596.

It is an arithmetic number, because the mean of its divisors is an integer number (117112596).

Almost surely, 2^234225191 is an apocalyptic number.

234225191 is a deficient number, since it is larger than the sum of its proper divisors (1).

234225191 is an equidigital number, since it uses as much as digits as its factorization.

234225191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 234225191 is about 15304.4173688514. The cubic root of 234225191 is about 616.4216267566.

The spelling of 234225191 in words is "two hundred thirty-four million, two hundred twenty-five thousand, one hundred ninety-one".