2722638271 has 16 divisors (see below), whose sum is σ = 2939056128. Its totient is φ = 2514758400.

The previous prime is 2722638239. The next prime is 2722638287. The reversal of 2722638271 is 1728362272.

It is a cyclic number.

It is not a de Polignac number, because 2722638271 - 2⁵ = 2722638239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722638221) 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, 343311 + ... + 351151.

It is an arithmetic number, because the mean of its divisors is an integer number (183691008).

Almost surely, 2^2722638271 is an apocalyptic number.

2722638271 is a deficient number, since it is larger than the sum of its proper divisors (216417857).

2722638271 is a wasteful number, since it uses less digits than its factorization.

2722638271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8382.

The product of its digits is 112896, while the sum is 40.

The square root of 2722638271 is about 52178.9063798773. The cubic root of 2722638271 is about 1396.3575845451.

The spelling of 2722638271 in words is "two billion, seven hundred twenty-two million, six hundred thirty-eight thousand, two hundred seventy-one".