227985 has 8 divisors (see below), whose sum is σ = 364800. Its totient is φ = 121584.

The previous prime is 227977. The next prime is 227989. The reversal of 227985 is 589722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 227985 - 2³ = 227977 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

227985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (227989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7585 + ... + 7614.

It is an arithmetic number, because the mean of its divisors is an integer number (45600).

2²²⁷⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

227985 is a deficient number, since it is larger than the sum of its proper divisors (136815).

227985 is a wasteful number, since it uses less digits than its factorization.

227985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15207.

The product of its digits is 10080, while the sum is 33.

The square root of 227985 is about 477.4777481726. The cubic root of 227985 is about 61.0898076954.

The spelling of 227985 in words is "two hundred twenty-seven thousand, nine hundred eighty-five".