22043065065 has 32 divisors (see below), whose sum is σ = 41607561216. Its totient is φ = 9751769280.

The previous prime is 22043065049. The next prime is 22043065087. The reversal of 22043065065 is 56056034022.

It is not a de Polignac number, because 22043065065 - 2⁴ = 22043065049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3382777 + ... + 3389286.

It is an arithmetic number, because the mean of its divisors is an integer number (1300236288).

Almost surely, 2^22043065065 is an apocalyptic number.

It is an amenable number.

22043065065 is a deficient number, since it is larger than the sum of its proper divisors (19564496151).

22043065065 is a wasteful number, since it uses less digits than its factorization.

22043065065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6772109.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 22043065065 its reverse (56056034022), we get a palindrome (78099099087).

The spelling of 22043065065 in words is "twenty-two billion, forty-three million, sixty-five thousand, sixty-five".