22772275209 has 12 divisors (see below), whose sum is σ = 32896991556. Its totient is φ = 15179806752.

The previous prime is 22772275193. The next prime is 22772275231. The reversal of 22772275209 is 90257227722.

It can be written as a sum of positive squares in 2 ways, for example, as 1142102025 + 21630173184 = 33795^2 + 147072^2 .

It is not a de Polignac number, because 22772275209 - 2⁴ = 22772275193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22772275289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55362 + ... + 220475.

It is an arithmetic number, because the mean of its divisors is an integer number (2741415963).

Almost surely, 2^22772275209 is an apocalyptic number.

It is an amenable number.

22772275209 is a deficient number, since it is larger than the sum of its proper divisors (10124716347).

22772275209 is a wasteful number, since it uses less digits than its factorization.

22772275209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285016 (or 285013 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 22772275209 in words is "twenty-two billion, seven hundred seventy-two million, two hundred seventy-five thousand, two hundred nine".