225532863 has 16 divisors (see below), whose sum is σ = 353777760. Its totient is φ = 141510528.

The previous prime is 225532847. The next prime is 225532873. The reversal of 225532863 is 368235522.

225532863 is a `hidden beast` number, since 22 + 553 + 2 + 86 + 3 = 666.

It is not a de Polignac number, because 225532863 - 2⁴ = 225532847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225532873) 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 15 ways as a sum of consecutive naturals, for example, 245220 + ... + 246137.

It is an arithmetic number, because the mean of its divisors is an integer number (22111110).

Almost surely, 2^225532863 is an apocalyptic number.

225532863 is a deficient number, since it is larger than the sum of its proper divisors (128244897).

225532863 is a wasteful number, since it uses less digits than its factorization.

225532863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491383 (or 491377 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 225532863 is about 15017.7515960279. The cubic root of 225532863 is about 608.6999662605.

The spelling of 225532863 in words is "two hundred twenty-five million, five hundred thirty-two thousand, eight hundred sixty-three".