225867 has 4 divisors (see below), whose sum is σ = 301160. Its totient is φ = 150576.

The previous prime is 225859. The next prime is 225871. The reversal of 225867 is 768522.

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

It is not a de Polignac number, because 225867 - 2³ = 225859 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225867.

It is not an unprimeable number, because it can be changed into a prime (225067) 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, 37642 + ... + 37647.

It is an arithmetic number, because the mean of its divisors is an integer number (75290).

2²²⁵⁸⁶⁷ is an apocalyptic number.

225867 is a deficient number, since it is larger than the sum of its proper divisors (75293).

225867 is an equidigital number, since it uses as much as digits as its factorization.

225867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75292.

The product of its digits is 6720, while the sum is 30.

The square root of 225867 is about 475.2546685725. The cubic root of 225867 is about 60.9000423316.

The spelling of 225867 in words is "two hundred twenty-five thousand, eight hundred sixty-seven".