43022443 has 4 divisors (see below), whose sum is σ = 44893008. Its totient is φ = 41151880.

The previous prime is 43022417. The next prime is 43022449. The reversal of 43022443 is 34422034.

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

It is a cyclic number.

It is not a de Polignac number, because 43022443 - 2⁹ = 43021931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43022449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935248 + ... + 935293.

It is an arithmetic number, because the mean of its divisors is an integer number (11223252).

Almost surely, 2^43022443 is an apocalyptic number.

43022443 is a deficient number, since it is larger than the sum of its proper divisors (1870565).

43022443 is a wasteful number, since it uses less digits than its factorization.

43022443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870564.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 43022443 is about 6559.1495637773. The cubic root of 43022443 is about 350.4007464165.

Adding to 43022443 its reverse (34422034), we get a palindrome (77444477).

The spelling of 43022443 in words is "forty-three million, twenty-two thousand, four hundred forty-three".