228816463808 has 28 divisors (see below), whose sum is σ = 454081420512. Its totient is φ = 114402247680.

The previous prime is 228816463789. The next prime is 228816463853. The reversal of 228816463808 is 808364618822.

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, 1300793 + ... + 1466183.

Almost surely, 2^228816463808 is an apocalyptic number.

It is an amenable number.

228816463808 is a deficient number, since it is larger than the sum of its proper divisors (225264956704).

228816463808 is a wasteful number, since it uses less digits than its factorization.

228816463808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187020 (or 187010 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 56.

The spelling of 228816463808 in words is "two hundred twenty-eight billion, eight hundred sixteen million, four hundred sixty-three thousand, eight hundred eight".