4224029081 has 2 divisors, whose sum is σ = 4224029082. Its totient is φ = 4224029080.

The previous prime is 4224029053. The next prime is 4224029087. The reversal of 4224029081 is 1809204224.

It is a happy number.

4224029081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2152960000 + 2071069081 = 46400^2 + 45509^2 .

It is a cyclic number.

It is not a de Polignac number, because 4224029081 - 2²² = 4219834777 is a prime.

It is a super-2 number, since 2×4224029081² = 35684843354267409122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4224029087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2112014540 + 2112014541.

It is an arithmetic number, because the mean of its divisors is an integer number (2112014541).

Almost surely, 2^4224029081 is an apocalyptic number.

It is an amenable number.

4224029081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4224029081 is an equidigital number, since it uses as much as digits as its factorization.

4224029081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 4224029081 is about 64992.5309631807. The cubic root of 4224029081 is about 1616.4997179405.

The spelling of 4224029081 in words is "four billion, two hundred twenty-four million, twenty-nine thousand, eighty-one".