2005422117 has 4 divisors (see below), whose sum is σ = 2673896160. Its totient is φ = 1336948076.

The previous prime is 2005422103. The next prime is 2005422121. The reversal of 2005422117 is 7112245002.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2005422117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005422157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334237017 + ... + 334237022.

It is an arithmetic number, because the mean of its divisors is an integer number (668474040).

Almost surely, 2^2005422117 is an apocalyptic number.

It is an amenable number.

2005422117 is a deficient number, since it is larger than the sum of its proper divisors (668474043).

2005422117 is an equidigital number, since it uses as much as digits as its factorization.

2005422117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668474042.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 2005422117 is about 44781.9396297213. The cubic root of 2005422117 is about 1261.0585957528.

Adding to 2005422117 its reverse (7112245002), we get a palindrome (9117667119).

The spelling of 2005422117 in words is "two billion, five million, four hundred twenty-two thousand, one hundred seventeen".