2288888889 has 8 divisors (see below), whose sum is σ = 3487830720. Its totient is φ = 1307936496.

The previous prime is 2288888879. The next prime is 2288888911. The reversal of 2288888889 is 9888888822.

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

It is not a de Polignac number, because 2288888889 - 2⁷ = 2288888761 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2288888809) 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, 54497334 + ... + 54497375.

It is an arithmetic number, because the mean of its divisors is an integer number (435978840).

Almost surely, 2^2288888889 is an apocalyptic number.

It is an amenable number.

2288888889 is a deficient number, since it is larger than the sum of its proper divisors (1198941831).

2288888889 is a wasteful number, since it uses less digits than its factorization.

2288888889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108994719.

The product of its digits is 75497472, while the sum is 69.

The square root of 2288888889 is about 47842.3336491856. Note that the first 3 decimals coincide. The cubic root of 2288888889 is about 1317.8770759899.

The spelling of 2288888889 in words is "two billion, two hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-nine".