2791722 has 16 divisors (see below), whose sum is σ = 5689440. Its totient is φ = 912912.

The previous prime is 2791721. The next prime is 2791751. The reversal of 2791722 is 2271972.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2791722.

It is not an unprimeable number, because it can be changed into a prime (2791721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4072 + ... + 4707.

It is an arithmetic number, because the mean of its divisors is an integer number (355590).

2^2791722 is an apocalyptic number.

2791722 is an abundant number, since it is smaller than the sum of its proper divisors (2897718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2791722 is a wasteful number, since it uses less digits than its factorization.

2791722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8837.

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

The square root of 2791722 is about 1670.8446965532. The cubic root of 2791722 is about 140.8069386323.

It can be divided in two parts, 2791 and 722, that multiplied together give a palindrome (2015102).

The spelling of 2791722 in words is "two million, seven hundred ninety-one thousand, seven hundred twenty-two".