2232281 has 2 divisors, whose sum is σ = 2232282. Its totient is φ = 2232280.

The previous prime is 2232271. The next prime is 2232317. The reversal of 2232281 is 1822322.

2232281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2059225 + 173056 = 1435^2 + 416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2232281 is a prime.

It is a super-3 number, since 3×2232281³ = 33370894123131132123, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2232221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116140 + 1116141.

It is an arithmetic number, because the mean of its divisors is an integer number (1116141).

2^2232281 is an apocalyptic number.

It is an amenable number.

2232281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232281 is an equidigital number, since it uses as much as digits as its factorization.

2232281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 20.

The square root of 2232281 is about 1494.0819923953. The cubic root of 2232281 is about 130.6921856251.

The spelling of 2232281 in words is "two million, two hundred thirty-two thousand, two hundred eighty-one".