222155 has 8 divisors (see below), whose sum is σ = 269232. Its totient is φ = 175968.

The previous prime is 222151. The next prime is 222161. The reversal of 222155 is 551222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222155 - 2² = 222151 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 222155.

It is not an unprimeable number, because it can be changed into a prime (222151) 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 7 ways as a sum of consecutive naturals, for example, 644 + ... + 926.

It is an arithmetic number, because the mean of its divisors is an integer number (33654).

2²²²¹⁵⁵ is an apocalyptic number.

222155 is a deficient number, since it is larger than the sum of its proper divisors (47077).

222155 is a wasteful number, since it uses less digits than its factorization.

222155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its digits is 200, while the sum is 17.

The square root of 222155 is about 471.3332154644. Note that the first 3 decimals coincide. The cubic root of 222155 is about 60.5645782676.

Adding to 222155 its reverse (551222), we get a palindrome (773377).

The spelling of 222155 in words is "two hundred twenty-two thousand, one hundred fifty-five".