43220132 has 24 divisors (see below), whose sum is σ = 76876800. Its totient is φ = 21258720.

The previous prime is 43220129. The next prime is 43220141. The reversal of 43220132 is 23102234.

43220132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 43220132.

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 7 ways as a sum of consecutive naturals, for example, 75407 + ... + 75977.

It is an arithmetic number, because the mean of its divisors is an integer number (3203200).

Almost surely, 2^43220132 is an apocalyptic number.

It is an amenable number.

43220132 is a deficient number, since it is larger than the sum of its proper divisors (33656668).

43220132 is a wasteful number, since it uses less digits than its factorization.

43220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 43220132 is about 6574.2020048064. The cubic root of 43220132 is about 350.9366259774.

Adding to 43220132 its reverse (23102234), we get a palindrome (66322366).

The spelling of 43220132 in words is "forty-three million, two hundred twenty thousand, one hundred thirty-two".