2798219 has 4 divisors (see below), whose sum is σ = 2823096. Its totient is φ = 2773344.

The previous prime is 2798207. The next prime is 2798233. The reversal of 2798219 is 9128972.

2798219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2798219 is a prime.

It is a super-2 number, since 2×2798219² = 15660059143922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2798269) 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 3 ways as a sum of consecutive naturals, for example, 12269 + ... + 12494.

It is an arithmetic number, because the mean of its divisors is an integer number (705774).

2^2798219 is an apocalyptic number.

2798219 is a deficient number, since it is larger than the sum of its proper divisors (24877).

2798219 is a wasteful number, since it uses less digits than its factorization.

2798219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24876.

The product of its digits is 18144, while the sum is 38.

The square root of 2798219 is about 1672.7877928775. The cubic root of 2798219 is about 140.9160844005.

The spelling of 2798219 in words is "two million, seven hundred ninety-eight thousand, two hundred nineteen".