2268388889 has 8 divisors (see below), whose sum is σ = 2457510720. Its totient is φ = 2081357136.

The previous prime is 2268388877. The next prime is 2268388901. The reversal of 2268388889 is 9888838622.

2268388889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2268388877) and next prime (2268388901).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2268388889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2268388819) 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, 520259 + ... + 524600.

It is an arithmetic number, because the mean of its divisors is an integer number (307188840).

Almost surely, 2^2268388889 is an apocalyptic number.

It is an amenable number.

2268388889 is a deficient number, since it is larger than the sum of its proper divisors (189121831).

2268388889 is a wasteful number, since it uses less digits than its factorization.

2268388889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045039.

The product of its digits is 21233664, while the sum is 62.

The square root of 2268388889 is about 47627.6063748746. The cubic root of 2268388889 is about 1313.9308323316.

The spelling of 2268388889 in words is "two billion, two hundred sixty-eight million, three hundred eighty-eight thousand, eight hundred eighty-nine".