43321022441 has 4 divisors (see below), whose sum is σ = 43335979092. Its totient is φ = 43306065792.

The previous prime is 43321022419. The next prime is 43321022443. The reversal of 43321022441 is 14422012334.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28866010000 + 14455012441 = 169900^2 + 120229^2 .

It is a cyclic number.

It is not a de Polignac number, because 43321022441 - 2³⁴ = 26141153257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43321022441.

It is not an unprimeable number, because it can be changed into a prime (43321022443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7473980 + ... + 7479773.

It is an arithmetic number, because the mean of its divisors is an integer number (10833994773).

Almost surely, 2^43321022441 is an apocalyptic number.

It is an amenable number.

43321022441 is a deficient number, since it is larger than the sum of its proper divisors (14956651).

43321022441 is a wasteful number, since it uses less digits than its factorization.

43321022441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14956650.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 43321022441 its reverse (14422012334), we get a palindrome (57743034775).

The spelling of 43321022441 in words is "forty-three billion, three hundred twenty-one million, twenty-two thousand, four hundred forty-one".