22721706060005 has 8 divisors (see below), whose sum is σ = 27268559642232. Its totient is φ = 18175689934528.

The previous prime is 22721706059957. The next prime is 22721706060091. The reversal of 22721706060005 is 50006060712722.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4014757586596 + 18706948473409 = 2003686^2 + 4325153^2 .

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-22721706060005 is a prime.

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, 209304494 + ... + 209413023.

It is an arithmetic number, because the mean of its divisors is an integer number (3408569955279).

Almost surely, 2^{22721706060005} is an apocalyptic number.

It is an amenable number.

22721706060005 is a deficient number, since it is larger than the sum of its proper divisors (4546853582227).

22721706060005 is a wasteful number, since it uses less digits than its factorization.

22721706060005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418728375.

The product of its (nonzero) digits is 70560, while the sum is 38.

Adding to 22721706060005 its reverse (50006060712722), we get a palindrome (72727766772727).

The spelling of 22721706060005 in words is "twenty-two trillion, seven hundred twenty-one billion, seven hundred six million, sixty thousand, five".