43424228 has 12 divisors (see below), whose sum is σ = 76387500. Its totient is φ = 21599232.

The previous prime is 43424219. The next prime is 43424231. The reversal of 43424228 is 82242434.

It is a happy number.

43424228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 26956864 + 16467364 = 5192^2 + 4058^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43424228.

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, 27353 + ... + 28896.

It is an arithmetic number, because the mean of its divisors is an integer number (6365625).

Almost surely, 2^43424228 is an apocalyptic number.

It is an amenable number.

43424228 is a deficient number, since it is larger than the sum of its proper divisors (32963272).

43424228 is a wasteful number, since it uses less digits than its factorization.

43424228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56446 (or 56444 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

The square root of 43424228 is about 6589.7062149993. The cubic root of 43424228 is about 351.4881614923.

The spelling of 43424228 in words is "forty-three million, four hundred twenty-four thousand, two hundred twenty-eight".