4424222081 has 2 divisors, whose sum is σ = 4424222082. Its totient is φ = 4424222080.

The previous prime is 4424222003. The next prime is 4424222093. The reversal of 4424222081 is 1802224244.

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., 3906250000 + 517972081 = 62500^2 + 22759^2 .

It is a cyclic number.

It is not a de Polignac number, because 4424222081 - 2¹⁸ = 4423959937 is a prime.

It is a super-2 number, since 2×4424222081² = 39147482044015941122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4424222981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212111040 + 2212111041.

It is an arithmetic number, because the mean of its divisors is an integer number (2212111041).

Almost surely, 2^4424222081 is an apocalyptic number.

It is an amenable number.

4424222081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4424222081 is an equidigital number, since it uses as much as digits as its factorization.

4424222081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8192, while the sum is 29.

The square root of 4424222081 is about 66514.8260239775. The cubic root of 4424222081 is about 1641.6439594181.

The spelling of 4424222081 in words is "four billion, four hundred twenty-four million, two hundred twenty-two thousand, eighty-one".