4427281 has 2 divisors, whose sum is σ = 4427282. Its totient is φ = 4427280.

The previous prime is 4427279. The next prime is 4427287. The reversal of 4427281 is 1827244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2509056 + 1918225 = 1584^2 + 1385^2 .

It is a cyclic number.

It is not a de Polignac number, because 4427281 - 2¹ = 4427279 is a prime.

It is a super-2 number, since 2×4427281² = 39201634105922, which contains 22 as substring.

Together with 4427279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4427287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2213640 + 2213641.

It is an arithmetic number, because the mean of its divisors is an integer number (2213641).

Almost surely, 2^4427281 is an apocalyptic number.

It is an amenable number.

4427281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4427281 is an equidigital number, since it uses as much as digits as its factorization.

4427281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 28.

The square root of 4427281 is about 2104.1105009006. The cubic root of 4427281 is about 164.2022217932.

The spelling of 4427281 in words is "four million, four hundred twenty-seven thousand, two hundred eighty-one".