43442122203442 has 4 divisors (see below), whose sum is σ = 65163183305166. Its totient is φ = 21721061101720.

The previous prime is 43442122203433. The next prime is 43442122203497. The reversal of 43442122203442 is 24430222124434.

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

It can be written as a sum of positive squares in only one way, i.e., 35173570194361 + 8268552009081 = 5930731^2 + 2875509^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10860530550859 + ... + 10860530550862.

Almost surely, 2^{43442122203442} is an apocalyptic number.

43442122203442 is a deficient number, since it is larger than the sum of its proper divisors (21721061101724).

43442122203442 is a wasteful number, since it uses less digits than its factorization.

43442122203442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21721061101723.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 43442122203442 its reverse (24430222124434), we get a palindrome (67872344327876).

The spelling of 43442122203442 in words is "forty-three trillion, four hundred forty-two billion, one hundred twenty-two million, two hundred three thousand, four hundred forty-two".