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222193 is a prime number
BaseRepresentation
bin110110001111110001
3102021210101
4312033301
524102233
64432401
71613536
oct661761
9367711
10222193
11141a34
12a8701
137a19a
145ad8d
1545c7d
hex363f1

222193 has 2 divisors, whose sum is σ = 222194. Its totient is φ = 222192.

The previous prime is 222163. The next prime is 222197. The reversal of 222193 is 391222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178929 + 43264 = 423^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 222193 - 25 = 222161 is a prime.

222193 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 222193.

It is not a weakly prime, because it can be changed into another prime (222197) 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 as a sum of consecutive naturals, namely, 111096 + 111097.

It is an arithmetic number, because the mean of its divisors is an integer number (111097).

2222193 is an apocalyptic number.

It is an amenable number.

222193 is a deficient number, since it is larger than the sum of its proper divisors (1).

222193 is an equidigital number, since it uses as much as digits as its factorization.

222193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 222193 is about 471.3735249248. The cubic root of 222193 is about 60.5680312963.

It can be divided in two parts, 22219 and 3, that added together give a palindrome (22222).

The spelling of 222193 in words is "two hundred twenty-two thousand, one hundred ninety-three".