424222399 has 2 divisors, whose sum is σ = 424222400. Its totient is φ = 424222398.

The previous prime is 424222387. The next prime is 424222433. The reversal of 424222399 is 993222424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424222399 - 2¹³ = 424214207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424222319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212111199 + 212111200.

It is an arithmetic number, because the mean of its divisors is an integer number (212111200).

Almost surely, 2^424222399 is an apocalyptic number.

424222399 is a deficient number, since it is larger than the sum of its proper divisors (1).

424222399 is an equidigital number, since it uses as much as digits as its factorization.

424222399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 424222399 is about 20596.6598991196. The cubic root of 424222399 is about 751.3884791738.

The spelling of 424222399 in words is "four hundred twenty-four million, two hundred twenty-two thousand, three hundred ninety-nine".