228807918368 has 12 divisors (see below), whose sum is σ = 450465589350. Its totient is φ = 114403959168.

The previous prime is 228807918359. The next prime is 228807918379. The reversal of 228807918368 is 863819708822.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 218660982544 + 10146935824 = 467612^2 + 100732^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 228807918368.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3575123693 + ... + 3575123756.

Almost surely, 2^228807918368 is an apocalyptic number.

It is an amenable number.

228807918368 is a deficient number, since it is larger than the sum of its proper divisors (221657670982).

228807918368 is an equidigital number, since it uses as much as digits as its factorization.

228807918368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7150247459 (or 7150247451 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 228807918368 in words is "two hundred twenty-eight billion, eight hundred seven million, nine hundred eighteen thousand, three hundred sixty-eight".