2271002500 has 60 divisors (see below), whose sum is σ = 5348322364. Its totient is φ = 838512000.

The previous prime is 2271002491. The next prime is 2271002537. The reversal of 2271002500 is 52001722.

It can be written as a sum of positive squares in 10 ways, for example, as 2270141316 + 861184 = 47646^2 + 928^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2439 + ... + 67438.

Almost surely, 2^2271002500 is an apocalyptic number.

2271002500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2271002500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2674161182).

2271002500 is an abundant number, since it is smaller than the sum of its proper divisors (3077319864).

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

2271002500 is a wasteful number, since it uses less digits than its factorization.

2271002500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69914 (or 69897 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2271002500 is about 47655.0364599588. The cubic root of 2271002500 is about 1314.4352705293.

The spelling of 2271002500 in words is "two billion, two hundred seventy-one million, two thousand, five hundred".