1244716229 has 2 divisors, whose sum is σ = 1244716230. Its totient is φ = 1244716228.

The previous prime is 1244716189. The next prime is 1244716241. The reversal of 1244716229 is 9226174421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1084187329 + 160528900 = 32927^2 + 12670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1244716229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1244716192 and 1244716201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244716259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622358114 + 622358115.

It is an arithmetic number, because the mean of its divisors is an integer number (622358115).

Almost surely, 2^1244716229 is an apocalyptic number.

It is an amenable number.

1244716229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244716229 is an equidigital number, since it uses as much as digits as its factorization.

1244716229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 1244716229 is about 35280.5361212099. The cubic root of 1244716229 is about 1075.6973961119.

The spelling of 1244716229 in words is "one billion, two hundred forty-four million, seven hundred sixteen thousand, two hundred twenty-nine".