218195 has 12 divisors (see below), whose sum is σ = 279984. Its totient is φ = 163200.

The previous prime is 218191. The next prime is 218213. The reversal of 218195 is 591812.

It is a happy number.

218195 is nontrivially palindromic in base 16.

218195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 218195 - 2² = 218191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (218191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1370 + ... + 1520.

It is an arithmetic number, because the mean of its divisors is an integer number (23332).

2²¹⁸¹⁹⁵ is an apocalyptic number.

218195 is a deficient number, since it is larger than the sum of its proper divisors (61789).

218195 is a wasteful number, since it uses less digits than its factorization.

218195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 173 counting only the distinct ones).

The product of its digits is 720, while the sum is 26.

The square root of 218195 is about 467.1134765772. The cubic root of 218195 is about 60.2025561546.

The spelling of 218195 in words is "two hundred eighteen thousand, one hundred ninety-five".