2290806169 has 2 divisors, whose sum is σ = 2290806170. Its totient is φ = 2290806168.

The previous prime is 2290806131. The next prime is 2290806191. The reversal of 2290806169 is 9616080922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1155116169 + 1135690000 = 33987^2 + 33700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2290806169 - 2¹¹ = 2290804121 is a prime.

It is a super-2 number, since 2×2290806169² = 10495585807856913122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2290806769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145403084 + 1145403085.

It is an arithmetic number, because the mean of its divisors is an integer number (1145403085).

Almost surely, 2^2290806169 is an apocalyptic number.

It is an amenable number.

2290806169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290806169 is an equidigital number, since it uses as much as digits as its factorization.

2290806169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 2290806169 is about 47862.3669389636. The cubic root of 2290806169 is about 1318.2449450457.

The spelling of 2290806169 in words is "two billion, two hundred ninety million, eight hundred six thousand, one hundred sixty-nine".