235322231 has 2 divisors, whose sum is σ = 235322232. Its totient is φ = 235322230.

The previous prime is 235322207. The next prime is 235322251. The reversal of 235322231 is 132223532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235322231 - 2⁶ = 235322167 is a prime.

It is a super-2 number, since 2×235322231² = 110753104805634722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 235322197 and 235322206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235322251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117661115 + 117661116.

It is an arithmetic number, because the mean of its divisors is an integer number (117661116).

Almost surely, 2^235322231 is an apocalyptic number.

235322231 is a deficient number, since it is larger than the sum of its proper divisors (1).

235322231 is an equidigital number, since it uses as much as digits as its factorization.

235322231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 23.

The square root of 235322231 is about 15340.2161327668. The cubic root of 235322231 is about 617.3825056876.

Adding to 235322231 its reverse (132223532), we get a palindrome (367545763).

The spelling of 235322231 in words is "two hundred thirty-five million, three hundred twenty-two thousand, two hundred thirty-one".