2268281669 has 2 divisors, whose sum is σ = 2268281670. Its totient is φ = 2268281668.

The previous prime is 2268281629. The next prime is 2268281677. The reversal of 2268281669 is 9661828622.

2268281669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1767193444 + 501088225 = 42038^2 + 22385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2268281669 is a prime.

It is a super-2 number, since 2×2268281669² = 10290203459842851122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2268281629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134140834 + 1134140835.

It is an arithmetic number, because the mean of its divisors is an integer number (1134140835).

Almost surely, 2^2268281669 is an apocalyptic number.

It is an amenable number.

2268281669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268281669 is an equidigital number, since it uses as much as digits as its factorization.

2268281669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 50.

The square root of 2268281669 is about 47626.4807538831. The cubic root of 2268281669 is about 1313.9101301371.

The spelling of 2268281669 in words is "two billion, two hundred sixty-eight million, two hundred eighty-one thousand, six hundred sixty-nine".