227997 has 36 divisors (see below), whose sum is σ = 426816. Its totient is φ = 115920.

The previous prime is 227993. The next prime is 228013. The reversal of 227997 is 799722.

It is not a de Polignac number, because 227997 - 2² = 227993 is a prime.

227997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227993) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4828 + ... + 4874.

It is an arithmetic number, because the mean of its divisors is an integer number (11856).

2²²⁷⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

227997 is a deficient number, since it is larger than the sum of its proper divisors (198819).

227997 is a wasteful number, since it uses less digits than its factorization.

227997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 68 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 227997 is about 477.4903140379. The cubic root of 227997 is about 61.0908794981.

The spelling of 227997 in words is "two hundred twenty-seven thousand, nine hundred ninety-seven".