22122105736 has 16 divisors (see below), whose sum is σ = 41503075740. Its totient is φ = 11054618880.

The previous prime is 22122105697. The next prime is 22122105737. The reversal of 22122105736 is 63750122122.

It can be written as a sum of positive squares in 2 ways, for example, as 19052280900 + 3069824836 = 138030^2 + 55406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22122105698 and 22122105707.

It is not an unprimeable number, because it can be changed into a prime (22122105737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789621 + ... + 817156.

Almost surely, 2^22122105736 is an apocalyptic number.

It is an amenable number.

22122105736 is a deficient number, since it is larger than the sum of its proper divisors (19380970004).

22122105736 is a wasteful number, since it uses less digits than its factorization.

22122105736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608504 (or 1608500 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 22122105736 its reverse (63750122122), we get a palindrome (85872227858).

The spelling of 22122105736 in words is "twenty-two billion, one hundred twenty-two million, one hundred five thousand, seven hundred thirty-six".