43022089 has 4 divisors (see below), whose sum is σ = 46933200. Its totient is φ = 39110980.

The previous prime is 43022047. The next prime is 43022117. The reversal of 43022089 is 98022034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43022089 - 2⁷ = 43021961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43029089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1955539 + ... + 1955560.

It is an arithmetic number, because the mean of its divisors is an integer number (11733300).

Almost surely, 2^43022089 is an apocalyptic number.

It is an amenable number.

43022089 is a deficient number, since it is larger than the sum of its proper divisors (3911111).

43022089 is a wasteful number, since it uses less digits than its factorization.

43022089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911110.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 43022089 is about 6559.1225785161. The cubic root of 43022089 is about 350.3997853506.

Subtracting 43022089 from its reverse (98022034), we obtain a palindrome (54999945).

The spelling of 43022089 in words is "forty-three million, twenty-two thousand, eighty-nine".