225827 has 4 divisors (see below), whose sum is σ = 258096. Its totient is φ = 193560.

The previous prime is 225821. The next prime is 225829. The reversal of 225827 is 728522.

225827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225827 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225796 and 225805.

It is not an unprimeable number, because it can be changed into a prime (225821) 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, 16124 + ... + 16137.

It is an arithmetic number, because the mean of its divisors is an integer number (64524).

2²²⁵⁸²⁷ is an apocalyptic number.

225827 is a deficient number, since it is larger than the sum of its proper divisors (32269).

225827 is an equidigital number, since it uses as much as digits as its factorization.

225827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32268.

The product of its digits is 2240, while the sum is 26.

The square root of 225827 is about 475.2125840085. The cubic root of 225827 is about 60.8964470808.

The spelling of 225827 in words is "two hundred twenty-five thousand, eight hundred twenty-seven".