4224435121 has 2 divisors, whose sum is σ = 4224435122. Its totient is φ = 4224435120.

The previous prime is 4224435113. The next prime is 4224435161. The reversal of 4224435121 is 1215344224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3497539600 + 726895521 = 59140^2 + 26961^2 .

It is a cyclic number.

It is not a de Polignac number, because 4224435121 - 2³ = 4224435113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4224435121.

It is not a weakly prime, because it can be changed into another prime (4224435161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2112217560 + 2112217561.

It is an arithmetic number, because the mean of its divisors is an integer number (2112217561).

Almost surely, 2^4224435121 is an apocalyptic number.

It is an amenable number.

4224435121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4224435121 is an equidigital number, since it uses as much as digits as its factorization.

4224435121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 28.

The square root of 4224435121 is about 64995.6546316752. The cubic root of 4224435121 is about 1616.5515122900.

Adding to 4224435121 its reverse (1215344224), we get a palindrome (5439779345).

The spelling of 4224435121 in words is "four billion, two hundred twenty-four million, four hundred thirty-five thousand, one hundred twenty-one".