227865 has 16 divisors (see below), whose sum is σ = 398016. Its totient is φ = 110400.

The previous prime is 227849. The next prime is 227869. The reversal of 227865 is 568722.

It is not a de Polignac number, because 227865 - 2⁴ = 227849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (227869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526 + ... + 855.

It is an arithmetic number, because the mean of its divisors is an integer number (24876).

2²²⁷⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

227865 is a deficient number, since it is larger than the sum of its proper divisors (170151).

227865 is a wasteful number, since it uses less digits than its factorization.

227865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

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

The square root of 227865 is about 477.3520713268. The cubic root of 227865 is about 61.0790875990.

It can be divided in two parts, 22786 and 5, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 227865 in words is "two hundred twenty-seven thousand, eight hundred sixty-five".