43225866 has 32 divisors (see below), whose sum is σ = 101710080. Its totient is φ = 13560768.

The previous prime is 43225859. The next prime is 43225913. The reversal of 43225866 is 66852234.

It is a self number, because there is not a number n which added to its sum of digits gives 43225866.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22626 + ... + 24461.

It is an arithmetic number, because the mean of its divisors is an integer number (3178440).

Almost surely, 2^43225866 is an apocalyptic number.

43225866 is an abundant number, since it is smaller than the sum of its proper divisors (58484214).

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

43225866 is a wasteful number, since it uses less digits than its factorization.

43225866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47115 (or 47109 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 43225866 is about 6574.6380888989. The cubic root of 43225866 is about 350.9521448382.

The spelling of 43225866 in words is "forty-three million, two hundred twenty-five thousand, eight hundred sixty-six".