227565 has 24 divisors (see below), whose sum is σ = 425880. Its totient is φ = 111744.

The previous prime is 227561. The next prime is 227567. The reversal of 227565 is 565722.

It can be written as a sum of positive squares in 4 ways, for example, as 36 + 227529 = 6^2 + 477^2 .

It is not a de Polignac number, because 227565 - 2² = 227561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 391 + ... + 779.

It is an arithmetic number, because the mean of its divisors is an integer number (17745).

2²²⁷⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

227565 is a deficient number, since it is larger than the sum of its proper divisors (198315).

227565 is a wasteful number, since it uses less digits than its factorization.

227565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 410 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 227565 is about 477.0377343565. The cubic root of 227565 is about 61.0522708821.

The spelling of 227565 in words is "two hundred twenty-seven thousand, five hundred sixty-five".