2271043472 has 10 divisors (see below), whose sum is σ = 4400146758. Its totient is φ = 1135521728.

The previous prime is 2271043471. The next prime is 2271043493. The reversal of 2271043472 is 2743401722.

It can be written as a sum of positive squares in only one way, i.e., 2008473856 + 262569616 = 44816^2 + 16204^2 .

It is not an unprimeable number, because it can be changed into a prime (2271043471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70970093 + ... + 70970124.

Almost surely, 2^2271043472 is an apocalyptic number.

It is an amenable number.

2271043472 is a deficient number, since it is larger than the sum of its proper divisors (2129103286).

2271043472 is a wasteful number, since it uses less digits than its factorization.

2271043472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141940225 (or 141940219 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 2271043472 is about 47655.4663391305. The cubic root of 2271043472 is about 1314.4431752202.

The spelling of 2271043472 in words is "two billion, two hundred seventy-one million, forty-three thousand, four hundred seventy-two".