4414131221 has 2 divisors, whose sum is σ = 4414131222. Its totient is φ = 4414131220.

The previous prime is 4414131203. The next prime is 4414131233. The reversal of 4414131221 is 1221314144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4028440900 + 385690321 = 63470^2 + 19639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4414131221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4414131251) 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, 2207065610 + 2207065611.

It is an arithmetic number, because the mean of its divisors is an integer number (2207065611).

Almost surely, 2^4414131221 is an apocalyptic number.

It is an amenable number.

4414131221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4414131221 is an equidigital number, since it uses as much as digits as its factorization.

4414131221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 23.

The square root of 4414131221 is about 66438.9285058090. The cubic root of 4414131221 is about 1640.3949104753.

Adding to 4414131221 its reverse (1221314144), we get a palindrome (5635445365).

The spelling of 4414131221 in words is "four billion, four hundred fourteen million, one hundred thirty-one thousand, two hundred twenty-one".