222056 has 16 divisors (see below), whose sum is σ = 427140. Its totient is φ = 108160.

The previous prime is 222043. The next prime is 222059. The reversal of 222056 is 650222.

222056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 220900 + 1156 = 470^2 + 34^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222059) by changing a digit.

222056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 666.

2²²²⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

222056 is a deficient number, since it is larger than the sum of its proper divisors (205084).

222056 is a wasteful number, since it uses less digits than its factorization.

222056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 222056 is about 471.2281825188. The cubic root of 222056 is about 60.5555803695. Note that the first 4 decimals are identical.

Adding to 222056 its reverse (650222), we get a palindrome (872278).

The spelling of 222056 in words is "two hundred twenty-two thousand, fifty-six".