2443219 has 2 divisors, whose sum is σ = 2443220. Its totient is φ = 2443218.

The previous prime is 2443213. The next prime is 2443241. The reversal of 2443219 is 9123442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2443219 - 2³ = 2443211 is a prime.

It is a super-2 number, since 2×2443219² = 11938638163922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2443193 and 2443202.

It is not a weakly prime, because it can be changed into another prime (2443211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221609 + 1221610.

It is an arithmetic number, because the mean of its divisors is an integer number (1221610).

2^2443219 is an apocalyptic number.

2443219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2443219 is an equidigital number, since it uses as much as digits as its factorization.

2443219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 2443219 is about 1563.0799723623. The cubic root of 2443219 is about 134.6854864014.

It can be divided in two parts, 2443 and 219, that added together give a palindrome (2662).

The spelling of 2443219 in words is "two million, four hundred forty-three thousand, two hundred nineteen".