4413044221 has 2 divisors, whose sum is σ = 4413044222. Its totient is φ = 4413044220.

The previous prime is 4413044213. The next prime is 4413044227. The reversal of 4413044221 is 1224403144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4184278596 + 228765625 = 64686^2 + 15125^2 .

It is a cyclic number.

It is not a de Polignac number, because 4413044221 - 2³ = 4413044213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4413044227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2206522110 + 2206522111.

It is an arithmetic number, because the mean of its divisors is an integer number (2206522111).

Almost surely, 2^4413044221 is an apocalyptic number.

It is an amenable number.

4413044221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4413044221 is an equidigital number, since it uses as much as digits as its factorization.

4413044221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 4413044221 is about 66430.7475571365. The cubic root of 4413044221 is about 1640.2602478381.

Adding to 4413044221 its reverse (1224403144), we get a palindrome (5637447365).

The spelling of 4413044221 in words is "four billion, four hundred thirteen million, forty-four thousand, two hundred twenty-one".