2271457844 has 12 divisors (see below), whose sum is σ = 4031038368. Its totient is φ = 1119732600.

The previous prime is 2271457831. The next prime is 2271457891. The reversal of 2271457844 is 4487541722.

It is a junction number, because it is equal to n+sod(n) for n = 2271457795 and 2271457804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3998762 + ... + 3999329.

It is an arithmetic number, because the mean of its divisors is an integer number (335919864).

Almost surely, 2^2271457844 is an apocalyptic number.

It is an amenable number.

2271457844 is a deficient number, since it is larger than the sum of its proper divisors (1759580524).

2271457844 is a wasteful number, since it uses less digits than its factorization.

2271457844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7998166 (or 7998164 counting only the distinct ones).

The product of its digits is 501760, while the sum is 44.

The square root of 2271457844 is about 47659.8137218349. The cubic root of 2271457844 is about 1314.5231142924.

The spelling of 2271457844 in words is "two billion, two hundred seventy-one million, four hundred fifty-seven thousand, eight hundred forty-four".