22105431713 has 2 divisors, whose sum is σ = 22105431714. Its totient is φ = 22105431712.

The previous prime is 22105431679. The next prime is 22105431727. The reversal of 22105431713 is 31713450122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15659268769 + 6446162944 = 125137^2 + 80288^2 .

It is a cyclic number.

It is not a de Polignac number, because 22105431713 - 2¹⁰ = 22105430689 is a prime.

It is a super-2 number, since 2×22105431713² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22105430713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11052715856 + 11052715857.

It is an arithmetic number, because the mean of its divisors is an integer number (11052715857).

Almost surely, 2^22105431713 is an apocalyptic number.

It is an amenable number.

22105431713 is a deficient number, since it is larger than the sum of its proper divisors (1).

22105431713 is an equidigital number, since it uses as much as digits as its factorization.

22105431713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 22105431713 its reverse (31713450122), we get a palindrome (53818881835).

The spelling of 22105431713 in words is "twenty-two billion, one hundred five million, four hundred thirty-one thousand, seven hundred thirteen".