422402023231 has 2 divisors, whose sum is σ = 422402023232. Its totient is φ = 422402023230.

The previous prime is 422402023177. The next prime is 422402023237. The reversal of 422402023231 is 132320204224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422402023231 - 2¹³ = 422402015039 is a prime.

It is a super-2 number, since 2×422402023231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422402023196 and 422402023205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422402023237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211201011615 + 211201011616.

It is an arithmetic number, because the mean of its divisors is an integer number (211201011616).

Almost surely, 2^422402023231 is an apocalyptic number.

422402023231 is a deficient number, since it is larger than the sum of its proper divisors (1).

422402023231 is an equidigital number, since it uses as much as digits as its factorization.

422402023231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 422402023231 its reverse (132320204224), we get a palindrome (554722227455).

The spelling of 422402023231 in words is "four hundred twenty-two billion, four hundred two million, twenty-three thousand, two hundred thirty-one".