424424443 has 2 divisors, whose sum is σ = 424424444. Its totient is φ = 424424442.

The previous prime is 424424389. The next prime is 424424459. The reversal of 424424443 is 344424424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424424443 - 2¹⁷ = 424293371 is a prime.

It is a super-2 number, since 2×424424443² = 360272215631720498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (424424243) 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, 212212221 + 212212222.

It is an arithmetic number, because the mean of its divisors is an integer number (212212222).

Almost surely, 2^424424443 is an apocalyptic number.

424424443 is a deficient number, since it is larger than the sum of its proper divisors (1).

424424443 is an equidigital number, since it uses as much as digits as its factorization.

424424443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49152, while the sum is 31.

The square root of 424424443 is about 20601.5640911073. The cubic root of 424424443 is about 751.5077479341.

Adding to 424424443 its reverse (344424424), we get a palindrome (768848867).

The spelling of 424424443 in words is "four hundred twenty-four million, four hundred twenty-four thousand, four hundred forty-three".