228043838 has 8 divisors (see below), whose sum is σ = 373162680. Its totient is φ = 103656280.

The previous prime is 228043819. The next prime is 228043841. The reversal of 228043838 is 838340822.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5182793 + ... + 5182836.

It is an arithmetic number, because the mean of its divisors is an integer number (46645335).

Almost surely, 2^228043838 is an apocalyptic number.

228043838 is a deficient number, since it is larger than the sum of its proper divisors (145118842).

228043838 is a wasteful number, since it uses less digits than its factorization.

228043838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10365642.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 228043838 is about 15101.1204220084. The cubic root of 228043838 is about 610.9506256292.

The spelling of 228043838 in words is "two hundred twenty-eight million, forty-three thousand, eight hundred thirty-eight".