5021422223431 has 2 divisors, whose sum is σ = 5021422223432. Its totient is φ = 5021422223430.

The previous prime is 5021422223429. The next prime is 5021422223471. The reversal of 5021422223431 is 1343222241205.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5021422223431 - 2¹ = 5021422223429 is a prime.

It is a super-2 number, since 2×5021422223431² (a number of 26 digits) contains 22 as substring.

Together with 5021422223429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5021422223393 and 5021422223402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5021422223471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510711111715 + 2510711111716.

It is an arithmetic number, because the mean of its divisors is an integer number (2510711111716).

Almost surely, 2^{5021422223431} is an apocalyptic number.

5021422223431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5021422223431 is an equidigital number, since it uses as much as digits as its factorization.

5021422223431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 5021422223431 its reverse (1343222241205), we get a palindrome (6364644464636).

The spelling of 5021422223431 in words is "five trillion, twenty-one billion, four hundred twenty-two million, two hundred twenty-three thousand, four hundred thirty-one".