2722879 has 2 divisors, whose sum is σ = 2722880. Its totient is φ = 2722878.

The previous prime is 2722877. The next prime is 2722883. The reversal of 2722879 is 9782272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2722879 - 2¹ = 2722877 is a prime.

Together with 2722877, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2722877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361439 + 1361440.

It is an arithmetic number, because the mean of its divisors is an integer number (1361440).

2^2722879 is an apocalyptic number.

2722879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2722879 is an equidigital number, since it uses as much as digits as its factorization.

2722879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 37.

The square root of 2722879 is about 1650.1148444881. The cubic root of 2722879 is about 139.6398737503.

The spelling of 2722879 in words is "two million, seven hundred twenty-two thousand, eight hundred seventy-nine".