225766287 has 12 divisors (see below), whose sum is σ = 326257360. Its totient is φ = 150441408.

The previous prime is 225766283. The next prime is 225766319. The reversal of 225766287 is 782667522.

It is not a de Polignac number, because 225766287 - 2² = 225766283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225766283) 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, 21639 + ... + 30327.

Almost surely, 2^225766287 is an apocalyptic number.

225766287 is a deficient number, since it is larger than the sum of its proper divisors (100491073).

225766287 is a wasteful number, since it uses less digits than its factorization.

225766287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11582 (or 11579 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 225766287 is about 15025.5211889638. The cubic root of 225766287 is about 608.9098930806.

The spelling of 225766287 in words is "two hundred twenty-five million, seven hundred sixty-six thousand, two hundred eighty-seven".