2205051517 has 4 divisors (see below), whose sum is σ = 2321106880. Its totient is φ = 2088996156.

The previous prime is 2205051437. The next prime is 2205051533. The reversal of 2205051517 is 7151505022.

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 not a de Polignac number, because 2205051517 - 2¹⁵ = 2205018749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205054517) 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, 58027653 + ... + 58027690.

It is an arithmetic number, because the mean of its divisors is an integer number (580276720).

Almost surely, 2^2205051517 is an apocalyptic number.

It is an amenable number.

2205051517 is a deficient number, since it is larger than the sum of its proper divisors (116055363).

2205051517 is a wasteful number, since it uses less digits than its factorization.

2205051517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116055362.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 2205051517 is about 46957.9760743582. The cubic root of 2205051517 is about 1301.5861343792.

Adding to 2205051517 its reverse (7151505022), we get a palindrome (9356556539).

The spelling of 2205051517 in words is "two billion, two hundred five million, fifty-one thousand, five hundred seventeen".