2268820202888 has 16 divisors (see below), whose sum is σ = 4277540854860. Its totient is φ = 1128142641600.

The previous prime is 2268820202839. The next prime is 2268820202947. The reversal of 2268820202888 is 8882020288622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1538448276964 + 730371925924 = 1240342^2 + 854618^2 .

It is a super-2 number, since 2×2268820202888² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783430943 + ... + 783433838.

Almost surely, 2^{2268820202888} is an apocalyptic number.

It is an amenable number.

2268820202888 is a deficient number, since it is larger than the sum of its proper divisors (2008720651972).

2268820202888 is a wasteful number, since it uses less digits than its factorization.

2268820202888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566864968 (or 1566864964 counting only the distinct ones).

The product of its (nonzero) digits is 6291456, while the sum is 56.

The spelling of 2268820202888 in words is "two trillion, two hundred sixty-eight billion, eight hundred twenty million, two hundred two thousand, eight hundred eighty-eight".