2722263 has 16 divisors (see below), whose sum is σ = 3857280. Its totient is φ = 1702944.

The previous prime is 2722249. The next prime is 2722273. The reversal of 2722263 is 3622272.

It is not a de Polignac number, because 2722263 - 2⁵ = 2722231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9145 + ... + 9437.

It is an arithmetic number, because the mean of its divisors is an integer number (241080).

2^2722263 is an apocalyptic number.

2722263 is a deficient number, since it is larger than the sum of its proper divisors (1135017).

2722263 is a wasteful number, since it uses less digits than its factorization.

2722263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478.

The product of its digits is 2016, while the sum is 24.

The square root of 2722263 is about 1649.9281802551. The cubic root of 2722263 is about 139.6293426606.

Subtracting 2722263 from its reverse (3622272), we obtain a palindrome (900009).

The spelling of 2722263 in words is "two million, seven hundred twenty-two thousand, two hundred sixty-three".