2818219 has 2 divisors, whose sum is σ = 2818220. Its totient is φ = 2818218.

The previous prime is 2818181. The next prime is 2818223. The reversal of 2818219 is 9128182.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2818219 - 2¹¹ = 2816171 is a prime.

It is a super-2 number, since 2×2818219² = 15884716663922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2818229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409109 + 1409110.

It is an arithmetic number, because the mean of its divisors is an integer number (1409110).

2^2818219 is an apocalyptic number.

2818219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2818219 is an equidigital number, since it uses as much as digits as its factorization.

2818219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 31.

The square root of 2818219 is about 1678.7551935884. The cubic root of 2818219 is about 141.2510157339.

The spelling of 2818219 in words is "two million, eight hundred eighteen thousand, two hundred nineteen".