2288888887 has 8 divisors (see below), whose sum is σ = 2372900400. Its totient is φ = 2205216384.

The previous prime is 2288888879. The next prime is 2288888911. The reversal of 2288888887 is 7888888822.

2288888887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2288888887 - 2³ = 2288888879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288888867) 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, 70962 + ... + 98047.

It is an arithmetic number, because the mean of its divisors is an integer number (296612550).

Almost surely, 2^2288888887 is an apocalyptic number.

2288888887 is a deficient number, since it is larger than the sum of its proper divisors (84011513).

2288888887 is a wasteful number, since it uses less digits than its factorization.

2288888887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169505.

The product of its digits is 58720256, while the sum is 67.

The square root of 2288888887 is about 47842.3336282836. Note that the first 3 decimals coincide. The cubic root of 2288888887 is about 1317.8770756061.

The spelling of 2288888887 in words is "two billion, two hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-seven".