2288531768 has 16 divisors (see below), whose sum is σ = 4395656160. Its totient is φ = 1116356800.

The previous prime is 2288531747. The next prime is 2288531783. The reversal of 2288531768 is 8671358822.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3488288 + ... + 3488943.

It is an arithmetic number, because the mean of its divisors is an integer number (274728510).

Almost surely, 2^2288531768 is an apocalyptic number.

It is an amenable number.

2288531768 is a deficient number, since it is larger than the sum of its proper divisors (2107124392).

2288531768 is a wasteful number, since it uses less digits than its factorization.

2288531768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6977278 (or 6977274 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 50.

The square root of 2288531768 is about 47838.6012337317. The cubic root of 2288531768 is about 1317.8085323892.

The spelling of 2288531768 in words is "two billion, two hundred eighty-eight million, five hundred thirty-one thousand, seven hundred sixty-eight".