2218219 has 2 divisors, whose sum is σ = 2218220. Its totient is φ = 2218218.

The previous prime is 2218213. The next prime is 2218277. The reversal of 2218219 is 9128122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2218219 - 2⁷ = 2218091 is a prime.

It is a super-2 number, since 2×2218219² = 9840991063922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2218193 and 2218202.

It is not a weakly prime, because it can be changed into another prime (2218213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109109 + 1109110.

It is an arithmetic number, because the mean of its divisors is an integer number (1109110).

2^2218219 is an apocalyptic number.

2218219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2218219 is an equidigital number, since it uses as much as digits as its factorization.

2218219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 25.

The square root of 2218219 is about 1489.3686581904. The cubic root of 2218219 is about 130.4171805120.

Subtracting 2218219 from its reverse (9128122), we obtain a triangular number (6909903 = T₃₇₁₇).

It can be divided in two parts, 22182 and 19, that added together give a square (22201 = 149²).

The spelling of 2218219 in words is "two million, two hundred eighteen thousand, two hundred nineteen".