22421033431 has 2 divisors, whose sum is σ = 22421033432. Its totient is φ = 22421033430.

The previous prime is 22421033417. The next prime is 22421033507. The reversal of 22421033431 is 13433012422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22421033431 - 2²⁵ = 22387478999 is a prime.

It is a super-2 number, since 2×22421033431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22421033396 and 22421033405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22421033731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210516715 + 11210516716.

It is an arithmetic number, because the mean of its divisors is an integer number (11210516716).

Almost surely, 2^22421033431 is an apocalyptic number.

22421033431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22421033431 is an equidigital number, since it uses as much as digits as its factorization.

22421033431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 22421033431 its reverse (13433012422), we get a palindrome (35854045853).

The spelling of 22421033431 in words is "twenty-two billion, four hundred twenty-one million, thirty-three thousand, four hundred thirty-one".