22112065265 has 8 divisors (see below), whose sum is σ = 27181660968. Its totient is φ = 17258197120.

The previous prime is 22112065247. The next prime is 22112065267. The reversal of 22112065265 is 56256021122.

It can be written as a sum of positive squares in 4 ways, for example, as 1763328064 + 20348737201 = 41992^2 + 142649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22112065265 - 2⁶ = 22112065201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112065267) 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, 53931662 + ... + 53932071.

It is an arithmetic number, because the mean of its divisors is an integer number (3397707621).

Almost surely, 2^22112065265 is an apocalyptic number.

It is an amenable number.

22112065265 is a deficient number, since it is larger than the sum of its proper divisors (5069595703).

22112065265 is a wasteful number, since it uses less digits than its factorization.

22112065265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107863779.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 22112065265 its reverse (56256021122), we get a palindrome (78368086387).

The spelling of 22112065265 in words is "twenty-two billion, one hundred twelve million, sixty-five thousand, two hundred sixty-five".