228065844 has 24 divisors (see below), whose sum is σ = 532415968. Its totient is φ = 75984480.

The previous prime is 228065833. The next prime is 228065867. The reversal of 228065844 is 448560822.

228065844 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 32454 + ... + 38850.

Almost surely, 2^228065844 is an apocalyptic number.

It is an amenable number.

228065844 is an abundant number, since it is smaller than the sum of its proper divisors (304350124).

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

228065844 is a wasteful number, since it uses less digits than its factorization.

228065844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9375 (or 9373 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 228065844 is about 15101.8490258643. The cubic root of 228065844 is about 610.9702770365.

The spelling of 228065844 in words is "two hundred twenty-eight million, sixty-five thousand, eight hundred forty-four".