2291056912 has 10 divisors (see below), whose sum is σ = 4438922798. Its totient is φ = 1145528448.

The previous prime is 2291056903. The next prime is 2291056919. The reversal of 2291056912 is 2196501922.

It can be written as a sum of positive squares in only one way, i.e., 1390096656 + 900960256 = 37284^2 + 30016^2 .

It is not an unprimeable number, because it can be changed into a prime (2291056919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71595513 + ... + 71595544.

Almost surely, 2^2291056912 is an apocalyptic number.

It is an amenable number.

2291056912 is a deficient number, since it is larger than the sum of its proper divisors (2147865886).

2291056912 is a wasteful number, since it uses less digits than its factorization.

2291056912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143191065 (or 143191059 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 2291056912 is about 47864.9862843394. The cubic root of 2291056912 is about 1318.2930399970.

The spelling of 2291056912 in words is "two billion, two hundred ninety-one million, fifty-six thousand, nine hundred twelve".