227745 has 32 divisors (see below), whose sum is σ = 464640. Its totient is φ = 103680.

The previous prime is 227743. The next prime is 227789. The reversal of 227745 is 547722.

It is not a de Polignac number, because 227745 - 2¹ = 227743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (227743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 825 + ... + 1065.

It is an arithmetic number, because the mean of its divisors is an integer number (14520).

2²²⁷⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

227745 is an abundant number, since it is smaller than the sum of its proper divisors (236895).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227745 is a wasteful number, since it uses less digits than its factorization.

227745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 256 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 227745 is about 477.2263613842. The cubic root of 227745 is about 61.0683637384.

The spelling of 227745 in words is "two hundred twenty-seven thousand, seven hundred forty-five".