228736608 has 48 divisors (see below), whose sum is σ = 614408256. Its totient is φ = 74471040.

The previous prime is 228736579. The next prime is 228736643. The reversal of 228736608 is 806637822.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 228736608.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 23578 + ... + 31833.

It is an arithmetic number, because the mean of its divisors is an integer number (12800172).

Almost surely, 2^228736608 is an apocalyptic number.

It is an amenable number.

228736608 is an abundant number, since it is smaller than the sum of its proper divisors (385671648).

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

228736608 is a wasteful number, since it uses less digits than its factorization.

228736608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55467 (or 55459 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 228736608 is about 15124.0407299108. The cubic root of 228736608 is about 611.5686652686.

The spelling of 228736608 in words is "two hundred twenty-eight million, seven hundred thirty-six thousand, six hundred eight".