2271367872 has 112 divisors (see below), whose sum is σ = 6819717120. Its totient is φ = 740987136.

The previous prime is 2271367849. The next prime is 2271367907. The reversal of 2271367872 is 2787631722.

It is a super-2 number, since 2×2271367872² = 10318224019907616768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67233 + ... + 95199.

Almost surely, 2^2271367872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2271367872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3409858560).

2271367872 is an abundant number, since it is smaller than the sum of its proper divisors (4548349248).

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

2271367872 is a wasteful number, since it uses less digits than its factorization.

2271367872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28035 (or 28019 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 2271367872 is about 47658.8698145476. The cubic root of 2271367872 is about 1314.5057580622.

The spelling of 2271367872 in words is "two billion, two hundred seventy-one million, three hundred sixty-seven thousand, eight hundred seventy-two".