228089838 has 8 divisors (see below), whose sum is σ = 456179688. Its totient is φ = 76029944.

The previous prime is 228089821. The next prime is 228089881. The reversal of 228089838 is 838980822.

228089838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

228089838 is an admirable 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, 19007481 + ... + 19007492.

It is an arithmetic number, because the mean of its divisors is an integer number (57022461).

Almost surely, 2^228089838 is an apocalyptic number.

228089838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228089838 is a wasteful number, since it uses less digits than its factorization.

228089838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38014978.

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 228089838 is about 15102.6434110059. The cubic root of 228089838 is about 610.9917022918.

The spelling of 228089838 in words is "two hundred twenty-eight million, eighty-nine thousand, eight hundred thirty-eight".