225532263 has 12 divisors (see below), whose sum is σ = 330532664. Its totient is φ = 136686000.

The previous prime is 225532193. The next prime is 225532271. The reversal of 225532263 is 362235522.

It is not a de Polignac number, because 225532263 - 2¹³ = 225524071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225532263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225532283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310288 + ... + 311013.

Almost surely, 2^225532263 is an apocalyptic number.

225532263 is a deficient number, since it is larger than the sum of its proper divisors (105000401).

225532263 is a wasteful number, since it uses less digits than its factorization.

225532263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621326 (or 621315 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 225532263 is about 15017.7316196555. The cubic root of 225532263 is about 608.6994264718.

Adding to 225532263 its reverse (362235522), we get a palindrome (587767785).

The spelling of 225532263 in words is "two hundred twenty-five million, five hundred thirty-two thousand, two hundred sixty-three".