22006440044 has 12 divisors (see below), whose sum is σ = 38611824384. Its totient is φ = 10974490224.

The previous prime is 22006440023. The next prime is 22006440061. The reversal of 22006440044 is 44004460022.

It is a junction number, because it is equal to n+sod(n) for n = 22006439995 and 22006440022.

It is an unprimeable number.

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, 7180727 + ... + 7183790.

It is an arithmetic number, because the mean of its divisors is an integer number (3217652032).

Almost surely, 2^22006440044 is an apocalyptic number.

It is an amenable number.

22006440044 is a deficient number, since it is larger than the sum of its proper divisors (16605384340).

22006440044 is a wasteful number, since it uses less digits than its factorization.

22006440044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14364904 (or 14364902 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The spelling of 22006440044 in words is "twenty-two billion, six million, four hundred forty thousand, forty-four".