4244334421 has 2 divisors, whose sum is σ = 4244334422. Its totient is φ = 4244334420.

The previous prime is 4244334407. The next prime is 4244334431. The reversal of 4244334421 is 1244334424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4226820196 + 17514225 = 65014^2 + 4185^2 .

It is a cyclic number.

It is not a de Polignac number, because 4244334421 - 2⁷ = 4244334293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4244334431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122167210 + 2122167211.

It is an arithmetic number, because the mean of its divisors is an integer number (2122167211).

Almost surely, 2^4244334421 is an apocalyptic number.

It is an amenable number.

4244334421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4244334421 is an equidigital number, since it uses as much as digits as its factorization.

4244334421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 31.

The square root of 4244334421 is about 65148.5565534648. The cubic root of 4244334421 is about 1619.0858050103.

Adding to 4244334421 its reverse (1244334424), we get a palindrome (5488668845).

The spelling of 4244334421 in words is "four billion, two hundred forty-four million, three hundred thirty-four thousand, four hundred twenty-one".