2722841 has 4 divisors (see below), whose sum is σ = 2970384. Its totient is φ = 2475300.

The previous prime is 2722831. The next prime is 2722843. The reversal of 2722841 is 1482272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2722841 is a prime.

It is a super-2 number, since 2×2722841² = 14827726222562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2722841.

It is not an unprimeable number, because it can be changed into a prime (2722843) 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, 123755 + ... + 123776.

It is an arithmetic number, because the mean of its divisors is an integer number (742596).

2^2722841 is an apocalyptic number.

It is an amenable number.

2722841 is a deficient number, since it is larger than the sum of its proper divisors (247543).

2722841 is a wasteful number, since it uses less digits than its factorization.

2722841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247542.

The product of its digits is 1792, while the sum is 26.

The square root of 2722841 is about 1650.1033300978. The cubic root of 2722841 is about 139.6392241512.

It can be divided in two parts, 272 and 2841, that added together give a palindrome (3113).

The spelling of 2722841 in words is "two million, seven hundred twenty-two thousand, eight hundred forty-one".