22772165573 has 4 divisors (see below), whose sum is σ = 22776324288. Its totient is φ = 22768006860.

The previous prime is 22772165561. The next prime is 22772165579. The reversal of 22772165573 is 37556127722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37556127722 = 2 ⋅18778063861.

It is a cyclic number.

It is not a de Polignac number, because 22772165573 - 2²² = 22767971269 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 (22772165579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2071133 + ... + 2082098.

It is an arithmetic number, because the mean of its divisors is an integer number (5694081072).

Almost surely, 2^22772165573 is an apocalyptic number.

It is an amenable number.

22772165573 is a deficient number, since it is larger than the sum of its proper divisors (4158715).

22772165573 is an equidigital number, since it uses as much as digits as its factorization.

22772165573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158714.

The product of its digits is 1234800, while the sum is 47.

The spelling of 22772165573 in words is "twenty-two billion, seven hundred seventy-two million, one hundred sixty-five thousand, five hundred seventy-three".