2288268666228 has 12 divisors (see below), whose sum is σ = 5339293554560. Its totient is φ = 762756222072.

The previous prime is 2288268666191. The next prime is 2288268666263. The reversal of 2288268666228 is 8226668628822.

It is a tau number, because it is divible by the number of its divisors (12).

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, 95344527748 + ... + 95344527771.

Almost surely, 2^{2288268666228} is an apocalyptic number.

It is an amenable number.

2288268666228 is an abundant number, since it is smaller than the sum of its proper divisors (3051024888332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2288268666228 is a wasteful number, since it uses less digits than its factorization.

2288268666228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190689055526 (or 190689055524 counting only the distinct ones).

The product of its digits is 169869312, while the sum is 66.

The spelling of 2288268666228 in words is "two trillion, two hundred eighty-eight billion, two hundred sixty-eight million, six hundred sixty-six thousand, two hundred twenty-eight".