2206290917 has 2 divisors, whose sum is σ = 2206290918. Its totient is φ = 2206290916.

The previous prime is 2206290859. The next prime is 2206290949. The reversal of 2206290917 is 7190926022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1298232961 + 908057956 = 36031^2 + 30134^2 .

It is a cyclic number.

It is not a de Polignac number, because 2206290917 - 2⁸ = 2206290661 is a prime.

It is a super-2 number, since 2×2206290917² = 9735439220873401778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2206290017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103145458 + 1103145459.

It is an arithmetic number, because the mean of its divisors is an integer number (1103145459).

Almost surely, 2^2206290917 is an apocalyptic number.

It is an amenable number.

2206290917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206290917 is an equidigital number, since it uses as much as digits as its factorization.

2206290917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2206290917 is about 46971.1711265538. The cubic root of 2206290917 is about 1301.8299508606.

The spelling of 2206290917 in words is "two billion, two hundred six million, two hundred ninety thousand, nine hundred seventeen".