2271512572 has 12 divisors (see below), whose sum is σ = 4543025200. Its totient is φ = 973505376.

The previous prime is 2271512561. The next prime is 2271512587. The reversal of 2271512572 is 2752151722.

2271512572 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 40562697 + ... + 40562752.

Almost surely, 2^2271512572 is an apocalyptic number.

It is an amenable number.

2271512572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2271512572 is a wasteful number, since it uses less digits than its factorization.

2271512572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81125460 (or 81125458 counting only the distinct ones).

The product of its digits is 19600, while the sum is 34.

The square root of 2271512572 is about 47660.3878708514. The cubic root of 2271512572 is about 1314.5336714834.

The spelling of 2271512572 in words is "two billion, two hundred seventy-one million, five hundred twelve thousand, five hundred seventy-two".