2722719 has 16 divisors (see below), whose sum is σ = 3927680. Its totient is φ = 1671840.

The previous prime is 2722691. The next prime is 2722729. The reversal of 2722719 is 9172272.

It is a happy number.

It is not a de Polignac number, because 2722719 - 2⁷ = 2722591 is a prime.

It is a super-2 number, since 2×2722719² = 14826397505922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1464 + ... + 2754.

It is an arithmetic number, because the mean of its divisors is an integer number (245480).

2^2722719 is an apocalyptic number.

2722719 is a deficient number, since it is larger than the sum of its proper divisors (1204961).

2722719 is a wasteful number, since it uses less digits than its factorization.

2722719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350.

The product of its digits is 3528, while the sum is 30.

The square root of 2722719 is about 1650.0663623018. The cubic root of 2722719 is about 139.6371385551.

The spelling of 2722719 in words is "two million, seven hundred twenty-two thousand, seven hundred nineteen".