22066065755 has 8 divisors (see below), whose sum is σ = 26874492432. Its totient is φ = 17389376928.

The previous prime is 22066065743. The next prime is 22066065757. The reversal of 22066065755 is 55756066022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22066065755 is a prime.

It is a super-2 number, since 2×22066065755² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22066065757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32934092 + ... + 32934761.

It is an arithmetic number, because the mean of its divisors is an integer number (3359311554).

Almost surely, 2^22066065755 is an apocalyptic number.

22066065755 is a deficient number, since it is larger than the sum of its proper divisors (4808426677).

22066065755 is an equidigital number, since it uses as much as digits as its factorization.

22066065755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65868925.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 22066065755 in words is "twenty-two billion, sixty-six million, sixty-five thousand, seven hundred fifty-five".