227605 has 12 divisors (see below), whose sum is σ = 318060. Its totient is φ = 155904.

The previous prime is 227603. The next prime is 227609. The reversal of 227605 is 506722.

It can be written as a sum of positive squares in 2 ways, for example, as 33124 + 194481 = 182^2 + 441^2 .

It is not a de Polignac number, because 227605 - 2¹ = 227603 is a prime.

227605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220 + ... + 709.

It is an arithmetic number, because the mean of its divisors is an integer number (26505).

2²²⁷⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

227605 is a deficient number, since it is larger than the sum of its proper divisors (90455).

227605 is an equidigital number, since it uses as much as digits as its factorization.

227605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 227605 is about 477.0796579189. The cubic root of 227605 is about 61.0558478055.

The spelling of 227605 in words is "two hundred twenty-seven thousand, six hundred five".