225958231 has 4 divisors (see below), whose sum is σ = 226015272. Its totient is φ = 225901192.

The previous prime is 225958219. The next prime is 225958247. The reversal of 225958231 is 132859522.

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

It is a cyclic number.

It is not a de Polignac number, because 225958231 - 2¹¹ = 225956183 is a prime.

It is a super-2 number, since 2×225958231² = 102114244313298722, 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 (225958631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22096 + ... + 30661.

It is an arithmetic number, because the mean of its divisors is an integer number (56503818).

Almost surely, 2^225958231 is an apocalyptic number.

225958231 is a deficient number, since it is larger than the sum of its proper divisors (57041).

225958231 is an equidigital number, since it uses as much as digits as its factorization.

225958231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57040.

The product of its digits is 43200, while the sum is 37.

The square root of 225958231 is about 15031.9070979034. The cubic root of 225958231 is about 609.0824070186.

The spelling of 225958231 in words is "two hundred twenty-five million, nine hundred fifty-eight thousand, two hundred thirty-one".