2271452820 has 288 divisors, whose sum is σ = 8058855168. Its totient is φ = 473776128.

The previous prime is 2271452809. The next prime is 2271452839. The reversal of 2271452820 is 282541722.

2271452820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3936372 + ... + 3936948.

It is an arithmetic number, because the mean of its divisors is an integer number (27982136).

Almost surely, 2^2271452820 is an apocalyptic number.

2271452820 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 2271452820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4029427584).

2271452820 is an abundant number, since it is smaller than the sum of its proper divisors (5787402348).

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

2271452820 is a wasteful number, since it uses less digits than its factorization.

2271452820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 2271452820 is about 47659.7610149275. The cubic root of 2271452820 is about 1314.5221451396.

The spelling of 2271452820 in words is "two billion, two hundred seventy-one million, four hundred fifty-two thousand, eight hundred twenty".