21772722930005 has 8 divisors (see below), whose sum is σ = 26186782934400. Its totient is φ = 17378501398416.

The previous prime is 21772722929987. The next prime is 21772722930011. The reversal of 21772722930005 is 50003922727712.

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 21772722930005 - 2²⁴ = 21772706152789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4959615785 + ... + 4959620174.

It is an arithmetic number, because the mean of its divisors is an integer number (3273347866800).

Almost surely, 2^{21772722930005} is an apocalyptic number.

It is an amenable number.

21772722930005 is a deficient number, since it is larger than the sum of its proper divisors (4414060004395).

21772722930005 is an equidigital number, since it uses as much as digits as its factorization.

21772722930005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9919236403.

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 21772722930005 in words is "twenty-one trillion, seven hundred seventy-two billion, seven hundred twenty-two million, nine hundred thirty thousand, five".