2722771 has 4 divisors (see below), whose sum is σ = 2882952. Its totient is φ = 2562592.

The previous prime is 2722751. The next prime is 2722789. The reversal of 2722771 is 1772272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2722771 - 2¹¹ = 2720723 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2722751) 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, 80065 + ... + 80098.

It is an arithmetic number, because the mean of its divisors is an integer number (720738).

2^2722771 is an apocalyptic number.

2722771 is a deficient number, since it is larger than the sum of its proper divisors (160181).

2722771 is a wasteful number, since it uses less digits than its factorization.

2722771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160180.

The product of its digits is 2744, while the sum is 28.

The square root of 2722771 is about 1650.0821191686. The cubic root of 2722771 is about 139.6380275053.

The spelling of 2722771 in words is "two million, seven hundred twenty-two thousand, seven hundred seventy-one".