22066065805 has 8 divisors (see below), whose sum is σ = 30262033152. Its totient is φ = 15131016528.

The previous prime is 22066065793. The next prime is 22066065811. The reversal of 22066065805 is 50856066022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22066065805 - 2⁷ = 22066065677 is a prime.

It is a super-2 number, since 2×22066065805² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315229477 + ... + 315229546.

It is an arithmetic number, because the mean of its divisors is an integer number (3782754144).

Almost surely, 2^22066065805 is an apocalyptic number.

It is an amenable number.

22066065805 is a deficient number, since it is larger than the sum of its proper divisors (8195967347).

22066065805 is an equidigital number, since it uses as much as digits as its factorization.

22066065805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630459035.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 22066065805 in words is "twenty-two billion, sixty-six million, sixty-five thousand, eight hundred five".