422404203631 has 2 divisors, whose sum is σ = 422404203632. Its totient is φ = 422404203630.

The previous prime is 422404203623. The next prime is 422404203677. The reversal of 422404203631 is 136302404224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422404203631 - 2³ = 422404203623 is a prime.

It is a super-2 number, since 2×422404203631² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422404203593 and 422404203602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422404203601) 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, 211202101815 + 211202101816.

It is an arithmetic number, because the mean of its divisors is an integer number (211202101816).

Almost surely, 2^422404203631 is an apocalyptic number.

422404203631 is a deficient number, since it is larger than the sum of its proper divisors (1).

422404203631 is an equidigital number, since it uses as much as digits as its factorization.

422404203631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 422404203631 its reverse (136302404224), we get a palindrome (558706607855).

The spelling of 422404203631 in words is "four hundred twenty-two billion, four hundred four million, two hundred three thousand, six hundred thirty-one".