228922917888 has 88 divisors (see below), whose sum is σ = 697329251392. Its totient is φ = 65406541824.

The previous prime is 228922917869. The next prime is 228922917919. The reversal of 228922917888 is 888719229822.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5301295 + ... + 5344302.

Almost surely, 2^228922917888 is an apocalyptic number.

228922917888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228922917888 is an abundant number, since it is smaller than the sum of its proper divisors (468406333504).

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

228922917888 is a wasteful number, since it uses less digits than its factorization.

228922917888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10645627 (or 10645609 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 66.

The spelling of 228922917888 in words is "two hundred twenty-eight billion, nine hundred twenty-two million, nine hundred seventeen thousand, eight hundred eighty-eight".