4224222281 has 2 divisors, whose sum is σ = 4224222282. Its totient is φ = 4224222280.

The previous prime is 4224222257. The next prime is 4224222349. The reversal of 4224222281 is 1822224224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2823965881 + 1400256400 = 53141^2 + 37420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4224222281 is a prime.

It is a super-2 number, since 2×4224222281² = 35688107758593685922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4224222181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2112111140 + 2112111141.

It is an arithmetic number, because the mean of its divisors is an integer number (2112111141).

Almost surely, 2^4224222281 is an apocalyptic number.

It is an amenable number.

4224222281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4224222281 is an equidigital number, since it uses as much as digits as its factorization.

4224222281 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4224222281 is about 64994.0172708227. The cubic root of 4224222281 is about 1616.5243628927.

The spelling of 4224222281 in words is "four billion, two hundred twenty-four million, two hundred twenty-two thousand, two hundred eighty-one".