2722856 has 16 divisors (see below), whose sum is σ = 5405940. Its totient is φ = 1281280.

The previous prime is 2722843. The next prime is 2722861. The reversal of 2722856 is 6582272.

It can be written as a sum of positive squares in 2 ways, for example, as 2669956 + 52900 = 1634^2 + 230^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9875 + ... + 10146.

2^2722856 is an apocalyptic number.

It is an amenable number.

2722856 is a deficient number, since it is larger than the sum of its proper divisors (2683084).

2722856 is a wasteful number, since it uses less digits than its factorization.

2722856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20044 (or 20040 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 2722856 is about 1650.1078752615. The cubic root of 2722856 is about 139.6394805726.

The spelling of 2722856 in words is "two million, seven hundred twenty-two thousand, eight hundred fifty-six".