43889228 has 12 divisors (see below), whose sum is σ = 76946520. Its totient is φ = 21904512.

The previous prime is 43889203. The next prime is 43889231. The reversal of 43889228 is 82298834.

43889228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 7493 + ... + 11996.

It is an arithmetic number, because the mean of its divisors is an integer number (6412210).

Almost surely, 2^43889228 is an apocalyptic number.

It is an amenable number.

43889228 is a deficient number, since it is larger than the sum of its proper divisors (33057292).

43889228 is a wasteful number, since it uses less digits than its factorization.

43889228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20056 (or 20054 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 43889228 is about 6624.8945651988. The cubic root of 43889228 is about 352.7383241545.

The spelling of 43889228 in words is "forty-three million, eight hundred eighty-nine thousand, two hundred twenty-eight".