222985 has 16 divisors (see below), whose sum is σ = 320256. Its totient is φ = 145728.

The previous prime is 222979. The next prime is 222991. The reversal of 222985 is 589222.

222985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222979) and next prime (222991).

It is not a de Polignac number, because 222985 - 2³ = 222977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667 + ... + 943.

It is an arithmetic number, because the mean of its divisors is an integer number (20016).

2²²²⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

222985 is a deficient number, since it is larger than the sum of its proper divisors (97271).

222985 is a wasteful number, since it uses less digits than its factorization.

222985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its digits is 2880, while the sum is 28.

The square root of 222985 is about 472.2128757245. The cubic root of 222985 is about 60.6399102449.

The spelling of 222985 in words is "two hundred twenty-two thousand, nine hundred eighty-five".