424244222431 has 2 divisors, whose sum is σ = 424244222432. Its totient is φ = 424244222430.

The previous prime is 424244222321. The next prime is 424244222447. The reversal of 424244222431 is 134222442424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424244222431 - 2¹¹ = 424244220383 is a prime.

It is a super-2 number, since 2×424244222431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424244222461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212122111215 + 212122111216.

It is an arithmetic number, because the mean of its divisors is an integer number (212122111216).

Almost surely, 2^424244222431 is an apocalyptic number.

424244222431 is a deficient number, since it is larger than the sum of its proper divisors (1).

424244222431 is an equidigital number, since it uses as much as digits as its factorization.

424244222431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98304, while the sum is 34.

Adding to 424244222431 its reverse (134222442424), we get a palindrome (558466664855).

The spelling of 424244222431 in words is "four hundred twenty-four billion, two hundred forty-four million, two hundred twenty-two thousand, four hundred thirty-one".