2271118740 has 192 divisors, whose sum is σ = 7525986048. Its totient is φ = 505446400.

The previous prime is 2271118711. The next prime is 2271118783. The reversal of 2271118740 is 478111722.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 457552 + ... + 462488.

It is an arithmetic number, because the mean of its divisors is an integer number (39197844).

Almost surely, 2^2271118740 is an apocalyptic number.

2271118740 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 2271118740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3762993024).

2271118740 is an abundant number, since it is smaller than the sum of its proper divisors (5254867308).

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

2271118740 is a wasteful number, since it uses less digits than its factorization.

2271118740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5018 (or 5016 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 2271118740 is about 47656.2560426226. The cubic root of 2271118740 is about 1314.4576963595.

The spelling of 2271118740 in words is "two billion, two hundred seventy-one million, one hundred eighteen thousand, seven hundred forty".