225866495 has 4 divisors (see below), whose sum is σ = 271039800. Its totient is φ = 180693192.

The previous prime is 225866491. The next prime is 225866497. The reversal of 225866495 is 594668522.

It is a happy number.

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 225866495 - 2² = 225866491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225866491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22586645 + ... + 22586654.

It is an arithmetic number, because the mean of its divisors is an integer number (67759950).

Almost surely, 2^225866495 is an apocalyptic number.

225866495 is a deficient number, since it is larger than the sum of its proper divisors (45173305).

225866495 is an equidigital number, since it uses as much as digits as its factorization.

225866495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45173304.

The product of its digits is 1036800, while the sum is 47.

The square root of 225866495 is about 15028.8554121729. The cubic root of 225866495 is about 608.9999694421. Note that the first 4 decimals are identical.

The spelling of 225866495 in words is "two hundred twenty-five million, eight hundred sixty-six thousand, four hundred ninety-five".