2744219 has 4 divisors (see below), whose sum is σ = 2749200. Its totient is φ = 2739240.

The previous prime is 2744197. The next prime is 2744233. The reversal of 2744219 is 9124472.

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

It is a cyclic number.

It is not a de Polignac number, because 2744219 - 2²⁰ = 1695643 is a prime.

It is a super-2 number, since 2×2744219² = 15061475839922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 7⁶ + 4⁵ + 4⁶ + 2²¹ + 1 + 9 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2744191 and 2744200.

It is not an unprimeable number, because it can be changed into a prime (2744279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544 + ... + 2805.

It is an arithmetic number, because the mean of its divisors is an integer number (687300).

2^2744219 is an apocalyptic number.

2744219 is a deficient number, since it is larger than the sum of its proper divisors (4981).

2744219 is an equidigital number, since it uses as much as digits as its factorization.

2744219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980.

The product of its digits is 4032, while the sum is 29.

The square root of 2744219 is about 1656.5684410854. The cubic root of 2744219 is about 140.0037243907.

The spelling of 2744219 in words is "two million, seven hundred forty-four thousand, two hundred nineteen".