422403252431 has 16 divisors (see below), whose sum is σ = 451796304960. Its totient is φ = 393535057920.

The previous prime is 422403252409. The next prime is 422403252437. The reversal of 422403252431 is 134252304224.

It is a cyclic number.

It is not a de Polignac number, because 422403252431 - 2⁶ = 422403252367 is a prime.

It is a super-2 number, since 2×422403252431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422403252437) 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 in 15 ways as a sum of consecutive naturals, for example, 375515 + ... + 992883.

It is an arithmetic number, because the mean of its divisors is an integer number (28237269060).

Almost surely, 2^422403252431 is an apocalyptic number.

422403252431 is a deficient number, since it is larger than the sum of its proper divisors (29393052529).

422403252431 is a wasteful number, since it uses less digits than its factorization.

422403252431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617794.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 422403252431 its reverse (134252304224), we get a palindrome (556655556655).

The spelling of 422403252431 in words is "four hundred twenty-two billion, four hundred three million, two hundred fifty-two thousand, four hundred thirty-one".