422022313431 has 8 divisors (see below), whose sum is σ = 625218242160. Its totient is φ = 281348208936.

The previous prime is 422022313429. The next prime is 422022313463. The reversal of 422022313431 is 134313220224.

422022313431 is a `hidden beast` number, since 4 + 2 + 2 + 0 + 223 + 1 + 3 + 431 = 666.

It is not a de Polignac number, because 422022313431 - 2¹ = 422022313429 is a prime.

It is a super-2 number, since 2×422022313431² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 15630456053 = 422022313431 / (4 + 2 + 2 + 0 + 2 + 2 + 3 + 1 + 3 + 4 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 422022313395 and 422022313404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422022313411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7815228000 + ... + 7815228053.

It is an arithmetic number, because the mean of its divisors is an integer number (78152280270).

Almost surely, 2^422022313431 is an apocalyptic number.

422022313431 is a deficient number, since it is larger than the sum of its proper divisors (203195928729).

422022313431 is a wasteful number, since it uses less digits than its factorization.

422022313431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15630456062 (or 15630456056 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 422022313431 its reverse (134313220224), we get a palindrome (556335533655).

The spelling of 422022313431 in words is "four hundred twenty-two billion, twenty-two million, three hundred thirteen thousand, four hundred thirty-one".