2271283816 has 8 divisors (see below), whose sum is σ = 4258657170. Its totient is φ = 1135641904.

The previous prime is 2271283811. The next prime is 2271283831. The reversal of 2271283816 is 6183821722.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1793861316 + 477422500 = 42354^2 + 21850^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2271283811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141955231 + ... + 141955246.

Almost surely, 2^2271283816 is an apocalyptic number.

It is an amenable number.

2271283816 is a deficient number, since it is larger than the sum of its proper divisors (1987373354).

2271283816 is a wasteful number, since it uses less digits than its factorization.

2271283816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283910483 (or 283910479 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 2271283816 is about 47657.9879558506. The cubic root of 2271283816 is about 1314.4895426559.

The spelling of 2271283816 in words is "two billion, two hundred seventy-one million, two hundred eighty-three thousand, eight hundred sixteen".