2271486321 has 20 divisors (see below), whose sum is σ = 3654225652. Its totient is φ = 1397837088.

The previous prime is 2271486317. The next prime is 2271486361. The reversal of 2271486321 is 1236841722.

It is a happy number.

2271486321 is a `hidden beast` number, since 2 + 2 + 7 + 14 + 8 + 632 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1126340721 + 1145145600 = 33561^2 + 33840^2 .

It is not a de Polignac number, because 2271486321 - 2² = 2271486317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2271486361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1077526 + ... + 1079631.

Almost surely, 2^2271486321 is an apocalyptic number.

It is an amenable number.

2271486321 is a deficient number, since it is larger than the sum of its proper divisors (1382739331).

2271486321 is a wasteful number, since it uses less digits than its factorization.

2271486321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157182 (or 2157173 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2271486321 is about 47660.1124736398. The cubic root of 2271486321 is about 1314.5286076100.

The spelling of 2271486321 in words is "two billion, two hundred seventy-one million, four hundred eighty-six thousand, three hundred twenty-one".