2722868 has 12 divisors (see below), whose sum is σ = 4929540. Its totient is φ = 1314432.

The previous prime is 2722861. The next prime is 2722877. The reversal of 2722868 is 8682272.

It can be written as a sum of positive squares in 2 ways, for example, as 2244004 + 478864 = 1498^2 + 692^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722861) 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, 11621 + ... + 11852.

It is an arithmetic number, because the mean of its divisors is an integer number (410795).

2^2722868 is an apocalyptic number.

It is an amenable number.

2722868 is a deficient number, since it is larger than the sum of its proper divisors (2206672).

2722868 is a wasteful number, since it uses less digits than its factorization.

2722868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23506 (or 23504 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 2722868 is about 1650.1115113834. Note that the first 3 decimals coincide. The cubic root of 2722868 is about 139.6396857091.

The spelling of 2722868 in words is "two million, seven hundred twenty-two thousand, eight hundred sixty-eight".