22647363205 has 4 divisors (see below), whose sum is σ = 27176835852. Its totient is φ = 18117890560.

The previous prime is 22647363203. The next prime is 22647363227. The reversal of 22647363205 is 50236374622.

It is a happy number.

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 11889939681 + 10757423524 = 109041^2 + 103718^2 .

It is not a de Polignac number, because 22647363205 - 2¹ = 22647363203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22647363203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2264736316 + ... + 2264736325.

It is an arithmetic number, because the mean of its divisors is an integer number (6794208963).

Almost surely, 2^22647363205 is an apocalyptic number.

It is an amenable number.

22647363205 is a deficient number, since it is larger than the sum of its proper divisors (4529472647).

22647363205 is an equidigital number, since it uses as much as digits as its factorization.

22647363205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529472646.

The product of its (nonzero) digits is 362880, while the sum is 40.

The spelling of 22647363205 in words is "twenty-two billion, six hundred forty-seven million, three hundred sixty-three thousand, two hundred five".