2206506017 has 8 divisors (see below), whose sum is σ = 2249090280. Its totient is φ = 2164727760.

The previous prime is 2206505981. The next prime is 2206506023. The reversal of 2206506017 is 7106056022.

It can be written as a sum of positive squares in 4 ways, for example, as 208773601 + 1997732416 = 14449^2 + 44696^2 .

It is not a de Polignac number, because 2206506017 - 2⁶ = 2206505953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2206506217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141467 + ... + 156287.

It is an arithmetic number, because the mean of its divisors is an integer number (281136285).

Almost surely, 2^2206506017 is an apocalyptic number.

It is an amenable number.

2206506017 is a deficient number, since it is larger than the sum of its proper divisors (42584263).

2206506017 is an frugal number, since it uses more digits than its factorization.

2206506017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14980 (or 14874 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2206506017 is about 46973.4607730791. The cubic root of 2206506017 is about 1301.8722563307.

The spelling of 2206506017 in words is "two billion, two hundred six million, five hundred six thousand, seventeen".