22112203808 has 54 divisors (see below), whose sum is σ = 44149737933. Its totient is φ = 10901744640.

The previous prime is 22112203793. The next prime is 22112203837. The reversal of 22112203808 is 80830221122.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 22054626064 + 57577744 = 148508^2 + 7588^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105148.

It is a Duffinian number.

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 in 8 ways as a sum of consecutive naturals, for example, 81594713 + ... + 81594983.

Almost surely, 2^22112203808 is an apocalyptic number.

It is an amenable number.

22112203808 is a deficient number, since it is larger than the sum of its proper divisors (22037534125).

22112203808 is an frugal number, since it uses more digits than its factorization.

22112203808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The spelling of 22112203808 in words is "twenty-two billion, one hundred twelve million, two hundred three thousand, eight hundred eight".