2281206289 has 2 divisors, whose sum is σ = 2281206290. Its totient is φ = 2281206288.

The previous prime is 2281206283. The next prime is 2281206293. The reversal of 2281206289 is 9826021822.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1860628225 + 420578064 = 43135^2 + 20508^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281206289 - 2³ = 2281206281 is a prime.

It is not a weakly prime, because it can be changed into another prime (2281206281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140603144 + 1140603145.

It is an arithmetic number, because the mean of its divisors is an integer number (1140603145).

Almost surely, 2^2281206289 is an apocalyptic number.

It is an amenable number.

2281206289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281206289 is an equidigital number, since it uses as much as digits as its factorization.

2281206289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 2281206289 is about 47761.9753465034. The cubic root of 2281206289 is about 1316.4009490886.

The spelling of 2281206289 in words is "two billion, two hundred eighty-one million, two hundred six thousand, two hundred eighty-nine".