2822739 has 4 divisors (see below), whose sum is σ = 3763656. Its totient is φ = 1881824.

The previous prime is 2822723. The next prime is 2822741. The reversal of 2822739 is 9372282.

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 2822739 - 2⁴ = 2822723 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 8² + 2²⁰ + 2²⁰ + 7⁵ + 3¹¹ + 9⁶ .

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2822719) 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, 470454 + ... + 470459.

It is an arithmetic number, because the mean of its divisors is an integer number (940914).

2^2822739 is an apocalyptic number.

2822739 is a deficient number, since it is larger than the sum of its proper divisors (940917).

2822739 is an equidigital number, since it uses as much as digits as its factorization.

2822739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940916.

The product of its digits is 12096, while the sum is 33.

The square root of 2822739 is about 1680.1008898278. The cubic root of 2822739 is about 141.3264905364.

It can be divided in two parts, 282273 and 9, that added together give a palindrome (282282).

The spelling of 2822739 in words is "two million, eight hundred twenty-two thousand, seven hundred thirty-nine".