22720113222505 has 8 divisors (see below), whose sum is σ = 27272325774600. Its totient is φ = 18170630639616.

The previous prime is 22720113222463. The next prime is 22720113222509. The reversal of 22720113222505 is 50522231102722.

It can be written as a sum of positive squares in 4 ways, for example, as 2597164311184 + 20122948911321 = 1611572^2 + 4485861^2 .

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 22720113222505 - 2⁷ = 22720113222377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22720113222509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682473990 + ... + 682507279.

It is an arithmetic number, because the mean of its divisors is an integer number (3409040721825).

Almost surely, 2^{22720113222505} is an apocalyptic number.

It is an amenable number.

22720113222505 is a deficient number, since it is larger than the sum of its proper divisors (4552212552095).

22720113222505 is a wasteful number, since it uses less digits than its factorization.

22720113222505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364984603.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 22720113222505 in words is "twenty-two trillion, seven hundred twenty billion, one hundred thirteen million, two hundred twenty-two thousand, five hundred five".