4244221117 has 2 divisors, whose sum is σ = 4244221118. Its totient is φ = 4244221116.

The previous prime is 4244221097. The next prime is 4244221133. The reversal of 4244221117 is 7111224424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3053557081 + 1190664036 = 55259^2 + 34506^2 .

It is a cyclic number.

It is not a de Polignac number, because 4244221117 - 2⁷ = 4244220989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4244221187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122110558 + 2122110559.

It is an arithmetic number, because the mean of its divisors is an integer number (2122110559).

Almost surely, 2^4244221117 is an apocalyptic number.

It is an amenable number.

4244221117 is a deficient number, since it is larger than the sum of its proper divisors (1).

4244221117 is an equidigital number, since it uses as much as digits as its factorization.

4244221117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 28.

The square root of 4244221117 is about 65147.6869658471. The cubic root of 4244221117 is about 1619.0713975271.

The spelling of 4244221117 in words is "four billion, two hundred forty-four million, two hundred twenty-one thousand, one hundred seventeen".