22043638803 has 4 divisors (see below), whose sum is σ = 29391518408. Its totient is φ = 14695759200.

The previous prime is 22043638787. The next prime is 22043638811. The reversal of 22043638803 is 30883634022.

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

It is not a de Polignac number, because 22043638803 - 2⁴ = 22043638787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22043638843) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3673939798 + ... + 3673939803.

It is an arithmetic number, because the mean of its divisors is an integer number (7347879602).

Almost surely, 2^22043638803 is an apocalyptic number.

22043638803 is a deficient number, since it is larger than the sum of its proper divisors (7347879605).

22043638803 is an equidigital number, since it uses as much as digits as its factorization.

22043638803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7347879604.

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 22043638803 in words is "twenty-two billion, forty-three million, six hundred thirty-eight thousand, eight hundred three".