4224434381 has 2 divisors, whose sum is σ = 4224434382. Its totient is φ = 4224434380.

The previous prime is 4224434371. The next prime is 4224434447. The reversal of 4224434381 is 1834344224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4200336100 + 24098281 = 64810^2 + 4909^2 .

It is a cyclic number.

It is not a de Polignac number, because 4224434381 - 2¹⁸ = 4224172237 is a prime.

It is a super-2 number, since 2×4224434381² = 35691691678749706322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4224434371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2112217190 + 2112217191.

It is an arithmetic number, because the mean of its divisors is an integer number (2112217191).

Almost surely, 2^4224434381 is an apocalyptic number.

It is an amenable number.

4224434381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4224434381 is an equidigital number, since it uses as much as digits as its factorization.

4224434381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 35.

The square root of 4224434381 is about 64995.6489389867. The cubic root of 4224434381 is about 1616.5514178988.

The spelling of 4224434381 in words is "four billion, two hundred twenty-four million, four hundred thirty-four thousand, three hundred eighty-one".