22064165065 has 8 divisors (see below), whose sum is σ = 26478133128. Its totient is φ = 17650575360.

The previous prime is 22064165051. The next prime is 22064165069. The reversal of 22064165065 is 56056146022.

It can be written as a sum of positive squares in 4 ways, for example, as 49617936 + 22014547129 = 7044^2 + 148373^2 .

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

It is not a de Polignac number, because 22064165065 - 2⁹ = 22064164553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22064165069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55305 + ... + 217225.

It is an arithmetic number, because the mean of its divisors is an integer number (3309766641).

Almost surely, 2^22064165065 is an apocalyptic number.

It is an amenable number.

22064165065 is a deficient number, since it is larger than the sum of its proper divisors (4413968063).

22064165065 is a wasteful number, since it uses less digits than its factorization.

22064165065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189179.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 22064165065 in words is "twenty-two billion, sixty-four million, one hundred sixty-five thousand, sixty-five".