43220244 has 48 divisors (see below), whose sum is σ = 102896640. Its totient is φ = 14117760.

The previous prime is 43220209. The next prime is 43220251. The reversal of 43220244 is 44202234.

43220244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 43220244.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 226189 + ... + 226379.

It is an arithmetic number, because the mean of its divisors is an integer number (2143680).

Almost surely, 2^43220244 is an apocalyptic number.

It is an amenable number.

43220244 is an abundant number, since it is smaller than the sum of its proper divisors (59676396).

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

43220244 is a wasteful number, since it uses less digits than its factorization.

43220244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 43220244 is about 6574.2105229449. The cubic root of 43220244 is about 350.9369291144.

Adding to 43220244 its reverse (44202234), we get a palindrome (87422478).

The spelling of 43220244 in words is "forty-three million, two hundred twenty thousand, two hundred forty-four".