2218195 has 8 divisors (see below), whose sum is σ = 3042144. Its totient is φ = 1521024.

The previous prime is 2218171. The next prime is 2218199. The reversal of 2218195 is 5918122.

2218195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2218195 - 2⁷ = 2218067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2218199) 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, 31654 + ... + 31723.

It is an arithmetic number, because the mean of its divisors is an integer number (380268).

2^2218195 is an apocalyptic number.

2218195 is a deficient number, since it is larger than the sum of its proper divisors (823949).

2218195 is an equidigital number, since it uses as much as digits as its factorization.

2218195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63389.

The product of its digits is 1440, while the sum is 28.

The square root of 2218195 is about 1489.3606010634. The cubic root of 2218195 is about 130.4167101611.

The spelling of 2218195 in words is "two million, two hundred eighteen thousand, one hundred ninety-five".