22003444441 has 4 divisors (see below), whose sum is σ = 24003757584. Its totient is φ = 20003131300.

The previous prime is 22003444433. The next prime is 22003444447. The reversal of 22003444441 is 14444430022.

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 22003444441 - 2³ = 22003444433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22003444447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000156555 + ... + 1000156576.

It is an arithmetic number, because the mean of its divisors is an integer number (6000939396).

Almost surely, 2^22003444441 is an apocalyptic number.

It is an amenable number.

22003444441 is a deficient number, since it is larger than the sum of its proper divisors (2000313143).

22003444441 is a wasteful number, since it uses less digits than its factorization.

22003444441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000313142.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22003444441 its reverse (14444430022), we get a palindrome (36447874463).

The spelling of 22003444441 in words is "twenty-two billion, three million, four hundred forty-four thousand, four hundred forty-one".