227979 has 12 divisors (see below), whose sum is σ = 334776. Its totient is φ = 149472.

The previous prime is 227977. The next prime is 227989. The reversal of 227979 is 979722.

It is not a de Polignac number, because 227979 - 2¹ = 227977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (227977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484 + ... + 830.

It is an arithmetic number, because the mean of its divisors is an integer number (27898).

2²²⁷⁹⁷⁹ is an apocalyptic number.

227979 is a deficient number, since it is larger than the sum of its proper divisors (106797).

227979 is a wasteful number, since it uses less digits than its factorization.

227979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 423 counting only the distinct ones).

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

The square root of 227979 is about 477.4714651160. The cubic root of 227979 is about 61.0892717799.

It can be divided in two parts, 22 and 7979, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 227979 in words is "two hundred twenty-seven thousand, nine hundred seventy-nine".