22005256413917 has 8 divisors (see below), whose sum is σ = 25149027436800. Its totient is φ = 18861526131984.

The previous prime is 22005256413913. The next prime is 22005256413937. The reversal of 22005256413917 is 71931465250022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22005256413917 - 2² = 22005256413913 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22005256413913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9018917 + ... + 11196042.

It is an arithmetic number, because the mean of its divisors is an integer number (3143628429600).

Almost surely, 2^{22005256413917} is an apocalyptic number.

It is an amenable number.

22005256413917 is a deficient number, since it is larger than the sum of its proper divisors (3143771022883).

22005256413917 is a wasteful number, since it uses less digits than its factorization.

22005256413917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20370475.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 22005256413917 in words is "twenty-two trillion, five billion, two hundred fifty-six million, four hundred thirteen thousand, nine hundred seventeen".