2306722872 has 32 divisors (see below), whose sum is σ = 5965664400. Its totient is φ = 742393344.

The previous prime is 2306722871. The next prime is 2306722879. The reversal of 2306722872 is 2782276032.

2306722872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2306722872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2306722871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656433 + ... + 1657824.

Almost surely, 2^2306722872 is an apocalyptic number.

It is an amenable number.

2306722872 is an abundant number, since it is smaller than the sum of its proper divisors (3658941528).

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

2306722872 is a wasteful number, since it uses less digits than its factorization.

2306722872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314295 (or 3314291 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 2306722872 is about 48028.3548750111. The cubic root of 2306722872 is about 1321.2909913300.

The spelling of 2306722872 in words is "two billion, three hundred six million, seven hundred twenty-two thousand, eight hundred seventy-two".