2289335281 has 2 divisors, whose sum is σ = 2289335282. Its totient is φ = 2289335280.

The previous prime is 2289335273. The next prime is 2289335303. The reversal of 2289335281 is 1825339822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1283430625 + 1005904656 = 35825^2 + 31716^2 .

It is a cyclic number.

It is not a de Polignac number, because 2289335281 - 2³ = 2289335273 is a prime.

It is a super-2 number, since 2×2289335281² = 10482112057662697922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2289335231) 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 as a sum of consecutive naturals, namely, 1144667640 + 1144667641.

It is an arithmetic number, because the mean of its divisors is an integer number (1144667641).

Almost surely, 2^2289335281 is an apocalyptic number.

It is an amenable number.

2289335281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289335281 is an equidigital number, since it uses as much as digits as its factorization.

2289335281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The square root of 2289335281 is about 47846.9986624031. The cubic root of 2289335281 is about 1317.9627436905.

The spelling of 2289335281 in words is "two billion, two hundred eighty-nine million, three hundred thirty-five thousand, two hundred eighty-one".