222085 has 4 divisors (see below), whose sum is σ = 266508. Its totient is φ = 177664.

The previous prime is 222073. The next prime is 222107. The reversal of 222085 is 580222.

222085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34596 + 187489 = 186^2 + 433^2 .

It is a cyclic number.

It is not a de Polignac number, because 222085 - 2⁷ = 221957 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22204 + ... + 22213.

It is an arithmetic number, because the mean of its divisors is an integer number (66627).

2²²²⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

222085 is a deficient number, since it is larger than the sum of its proper divisors (44423).

222085 is an equidigital number, since it uses as much as digits as its factorization.

222085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44422.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 222085 is about 471.2589521696. The cubic root of 222085 is about 60.5582163943.

The spelling of 222085 in words is "two hundred twenty-two thousand, eighty-five".