22005408356663 has 4 divisors (see below), whose sum is σ = 22715260239168. Its totient is φ = 21295556474160.

The previous prime is 22005408356639. The next prime is 22005408356749. The reversal of 22005408356663 is 36665380450022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22005408356663 - 2¹⁸ = 22005408094519 is a prime.

It is a super-3 number, since 3×22005408356663³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22005408358663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354925941206 + ... + 354925941267.

It is an arithmetic number, because the mean of its divisors is an integer number (5678815059792).

Almost surely, 2^{22005408356663} is an apocalyptic number.

22005408356663 is a deficient number, since it is larger than the sum of its proper divisors (709851882505).

22005408356663 is an equidigital number, since it uses as much as digits as its factorization.

22005408356663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709851882504.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 22005408356663 in words is "twenty-two trillion, five billion, four hundred eight million, three hundred fifty-six thousand, six hundred sixty-three".