1424424217 has 2 divisors, whose sum is σ = 1424424218. Its totient is φ = 1424424216.

The previous prime is 1424424191. The next prime is 1424424227. The reversal of 1424424217 is 7124244241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1255710096 + 168714121 = 35436^2 + 12989^2 .

It is an emirp because it is prime and its reverse (7124244241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1424424217 is a prime.

It is a super-3 number, since 3×1424424217³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1424424227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712212108 + 712212109.

It is an arithmetic number, because the mean of its divisors is an integer number (712212109).

Almost surely, 2^1424424217 is an apocalyptic number.

It is an amenable number.

1424424217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424424217 is an equidigital number, since it uses as much as digits as its factorization.

1424424217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14336, while the sum is 31.

The square root of 1424424217 is about 37741.5449736759. The cubic root of 1424424217 is about 1125.1569735200.

Adding to 1424424217 its reverse (7124244241), we get a palindrome (8548668458).

The spelling of 1424424217 in words is "one billion, four hundred twenty-four million, four hundred twenty-four thousand, two hundred seventeen".