22127680065 has 32 divisors (see below), whose sum is σ = 36321828480. Its totient is φ = 11499480576.

The previous prime is 22127680049. The next prime is 22127680067. The reversal of 22127680065 is 56008672122.

It is not a de Polignac number, because 22127680065 - 2⁴ = 22127680049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22127680067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30850 + ... + 212619.

It is an arithmetic number, because the mean of its divisors is an integer number (1135057140).

Almost surely, 2^22127680065 is an apocalyptic number.

It is an amenable number.

22127680065 is a deficient number, since it is larger than the sum of its proper divisors (14194148415).

22127680065 is a wasteful number, since it uses less digits than its factorization.

22127680065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243633.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 22127680065 in words is "twenty-two billion, one hundred twenty-seven million, six hundred eighty thousand, sixty-five".