22004608917 has 4 divisors (see below), whose sum is σ = 29339478560. Its totient is φ = 14669739276.

The previous prime is 22004608889. The next prime is 22004608961. The reversal of 22004608917 is 71980640022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22004608917 - 2²⁷ = 21870391189 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 (22004608517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3667434817 + ... + 3667434822.

It is an arithmetic number, because the mean of its divisors is an integer number (7334869640).

Almost surely, 2^22004608917 is an apocalyptic number.

It is an amenable number.

22004608917 is a deficient number, since it is larger than the sum of its proper divisors (7334869643).

22004608917 is an equidigital number, since it uses as much as digits as its factorization.

22004608917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7334869642.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 22004608917 in words is "twenty-two billion, four million, six hundred eight thousand, nine hundred seventeen".