2271002720 has 48 divisors (see below), whose sum is σ = 6131710368. Its totient is φ = 778629120.

The previous prime is 2271002717. The next prime is 2271002779. The reversal of 2271002720 is 272001722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012721 + ... + 1014960.

It is an arithmetic number, because the mean of its divisors is an integer number (127743966).

Almost surely, 2^2271002720 is an apocalyptic number.

2271002720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2271002720 is an abundant number, since it is smaller than the sum of its proper divisors (3860707648).

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

2271002720 is a wasteful number, since it uses less digits than its factorization.

2271002720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027703 (or 2027695 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 2271002720 is about 47655.0387682142. The cubic root of 2271002720 is about 1314.4353129740.

It can be divided in two parts, 2271002 and 720, that added together give a palindrome (2271722).

The spelling of 2271002720 in words is "two billion, two hundred seventy-one million, two thousand, seven hundred twenty".