222250171 has 16 divisors (see below), whose sum is σ = 270113760. Its totient is φ = 180069120.

The previous prime is 222250153. The next prime is 222250213. The reversal of 222250171 is 171052222.

It is not a de Polignac number, because 222250171 - 2⁵ = 222250139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222250141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22650 + ... + 30943.

It is an arithmetic number, because the mean of its divisors is an integer number (16882110).

Almost surely, 2^222250171 is an apocalyptic number.

222250171 is a deficient number, since it is larger than the sum of its proper divisors (47863589).

222250171 is a wasteful number, since it uses less digits than its factorization.

222250171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53646.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 222250171 is about 14908.0572510304. The cubic root of 222250171 is about 605.7322563627.

The spelling of 222250171 in words is "two hundred twenty-two million, two hundred fifty thousand, one hundred seventy-one".