4442274281 has 2 divisors, whose sum is σ = 4442274282. Its totient is φ = 4442274280.

The previous prime is 4442274251. The next prime is 4442274299. The reversal of 4442274281 is 1824722444.

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., 2737905625 + 1704368656 = 52325^2 + 41284^2 .

It is a cyclic number.

It is not a de Polignac number, because 4442274281 - 2³⁰ = 3368532457 is a prime.

It is a super-2 number, since 2×4442274281² = 39467601575268133922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4442274251) 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, 2221137140 + 2221137141.

It is an arithmetic number, because the mean of its divisors is an integer number (2221137141).

Almost surely, 2^4442274281 is an apocalyptic number.

It is an amenable number.

4442274281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442274281 is an equidigital number, since it uses as much as digits as its factorization.

4442274281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 114688, while the sum is 38.

The square root of 4442274281 is about 66650.3884534816. The cubic root of 4442274281 is about 1643.8737351548.

The spelling of 4442274281 in words is "four billion, four hundred forty-two million, two hundred seventy-four thousand, two hundred eighty-one".