2206669817 has 4 divisors (see below), whose sum is σ = 2407276176. Its totient is φ = 2006063460.

The previous prime is 2206669799. The next prime is 2206669849. The reversal of 2206669817 is 7189666022.

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 2206669817 - 2¹⁴ = 2206653433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2206669117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100303163 + ... + 100303184.

It is an arithmetic number, because the mean of its divisors is an integer number (601819044).

Almost surely, 2^2206669817 is an apocalyptic number.

It is an amenable number.

2206669817 is a deficient number, since it is larger than the sum of its proper divisors (200606359).

2206669817 is a wasteful number, since it uses less digits than its factorization.

2206669817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200606358.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 2206669817 is about 46975.2042784276. The cubic root of 2206669817 is about 1301.9044703676.

The spelling of 2206669817 in words is "two billion, two hundred six million, six hundred sixty-nine thousand, eight hundred seventeen".