22065556065 has 16 divisors (see below), whose sum is σ = 40348445568. Its totient is φ = 10087111296.

The previous prime is 22065556063. The next prime is 22065556213. The reversal of 22065556065 is 56065556022.

It is not a de Polignac number, because 22065556065 - 2¹ = 22065556063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22065556063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105073972 + ... + 105074181.

It is an arithmetic number, because the mean of its divisors is an integer number (2521777848).

Almost surely, 2^22065556065 is an apocalyptic number.

It is an amenable number.

22065556065 is a deficient number, since it is larger than the sum of its proper divisors (18282889503).

22065556065 is a wasteful number, since it uses less digits than its factorization.

22065556065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210148168.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 22065556065 in words is "twenty-two billion, sixty-five million, five hundred fifty-six thousand, sixty-five".