43442223 has 8 divisors (see below), whose sum is σ = 63188736. Its totient is φ = 26328600.

The previous prime is 43442219. The next prime is 43442233. The reversal of 43442223 is 32224434.

43442223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43442223 - 2² = 43442219 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 43442193 and 43442202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43442213) by changing a digit.

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, 658183 + ... + 658248.

It is an arithmetic number, because the mean of its divisors is an integer number (7898592).

Almost surely, 2^43442223 is an apocalyptic number.

43442223 is a deficient number, since it is larger than the sum of its proper divisors (19746513).

43442223 is a wasteful number, since it uses less digits than its factorization.

43442223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316445.

The product of its digits is 4608, while the sum is 24.

The square root of 43442223 is about 6591.0714606959. The cubic root of 43442223 is about 351.5367070183.

Adding to 43442223 its reverse (32224434), we get a palindrome (75666657).

The spelling of 43442223 in words is "forty-three million, four hundred forty-two thousand, two hundred twenty-three".