22140717205 has 4 divisors (see below), whose sum is σ = 26568860652. Its totient is φ = 17712573760.

The previous prime is 22140717149. The next prime is 22140717293. The reversal of 22140717205 is 50271704122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4635839569 + 17504877636 = 68087^2 + 132306^2 .

It is not a de Polignac number, because 22140717205 - 2⁷ = 22140717077 is a prime.

It is a super-2 number, since 2×22140717205² (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 3 ways as a sum of consecutive naturals, for example, 2214071716 + ... + 2214071725.

It is an arithmetic number, because the mean of its divisors is an integer number (6642215163).

Almost surely, 2^22140717205 is an apocalyptic number.

It is an amenable number.

22140717205 is a deficient number, since it is larger than the sum of its proper divisors (4428143447).

22140717205 is an equidigital number, since it uses as much as digits as its factorization.

22140717205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428143446.

The product of its (nonzero) digits is 7840, while the sum is 31.

The spelling of 22140717205 in words is "twenty-two billion, one hundred forty million, seven hundred seventeen thousand, two hundred five".