22009740605 has 16 divisors (see below), whose sum is σ = 26603284224. Its totient is φ = 17480525760.

The previous prime is 22009740601. The next prime is 22009740607. The reversal of 22009740605 is 50604790022.

It is not a de Polignac number, because 22009740605 - 2² = 22009740601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22009740601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354767 + ... + 412163.

It is an arithmetic number, because the mean of its divisors is an integer number (1662705264).

Almost surely, 2^22009740605 is an apocalyptic number.

It is an amenable number.

22009740605 is a deficient number, since it is larger than the sum of its proper divisors (4593543619).

22009740605 is a wasteful number, since it uses less digits than its factorization.

22009740605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57956.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 22009740605 in words is "twenty-two billion, nine million, seven hundred forty thousand, six hundred five".