2218519 has 2 divisors, whose sum is σ = 2218520. Its totient is φ = 2218518.

The previous prime is 2218451. The next prime is 2218523. The reversal of 2218519 is 9158122.

2218519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2218519 - 2¹¹ = 2216471 is a prime.

It is a super-2 number, since 2×2218519² = 9843653106722, which contains 22 as substring.

It is a Chen prime.

2218519 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2218549) 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, 1109259 + 1109260.

It is an arithmetic number, because the mean of its divisors is an integer number (1109260).

2^2218519 is an apocalyptic number.

2218519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2218519 is an equidigital number, since it uses as much as digits as its factorization.

2218519 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2218519 is about 1489.4693686008. The cubic root of 2218519 is about 130.4230596115.

The spelling of 2218519 in words is "two million, two hundred eighteen thousand, five hundred nineteen".