228419768 has 8 divisors (see below), whose sum is σ = 428287080. Its totient is φ = 114209880.

The previous prime is 228419717. The next prime is 228419773. The reversal of 228419768 is 867914822.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14276228 + ... + 14276243.

It is an arithmetic number, because the mean of its divisors is an integer number (53535885).

Almost surely, 2^228419768 is an apocalyptic number.

It is an amenable number.

228419768 is a deficient number, since it is larger than the sum of its proper divisors (199867312).

228419768 is a wasteful number, since it uses less digits than its factorization.

228419768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28552477 (or 28552473 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 228419768 is about 15113.5623861484. The cubic root of 228419768 is about 611.2861584519.

The spelling of 228419768 in words is "two hundred twenty-eight million, four hundred nineteen thousand, seven hundred sixty-eight".