43422443 has 8 divisors (see below), whose sum is σ = 44029440. Its totient is φ = 42819840.

The previous prime is 43422427. The next prime is 43422451. The reversal of 43422443 is 34422434.

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

It is a cyclic number.

It is not a de Polignac number, because 43422443 - 2⁴ = 43422427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43422493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22043 + ... + 23931.

It is an arithmetic number, because the mean of its divisors is an integer number (5503680).

Almost surely, 2^43422443 is an apocalyptic number.

43422443 is a deficient number, since it is larger than the sum of its proper divisors (606997).

43422443 is a wasteful number, since it uses less digits than its factorization.

43422443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197.

The product of its digits is 9216, while the sum is 26.

The square root of 43422443 is about 6589.5707750961. The cubic root of 43422443 is about 351.4833453256.

Adding to 43422443 its reverse (34422434), we get a palindrome (77844877).

Subtracting from 43422443 its reverse (34422434), we obtain a palindrome (9000009).

The spelling of 43422443 in words is "forty-three million, four hundred twenty-two thousand, four hundred forty-three".