22972008161 has 4 divisors (see below), whose sum is σ = 22978090800. Its totient is φ = 22965925524.

The previous prime is 22972008109. The next prime is 22972008167. The reversal of 22972008161 is 16180027922.

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.

It is a cyclic number.

It is not a de Polignac number, because 22972008161 - 2⁶ = 22972008097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22972008167) 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, 3035651 + ... + 3043208.

It is an arithmetic number, because the mean of its divisors is an integer number (5744522700).

Almost surely, 2^22972008161 is an apocalyptic number.

It is an amenable number.

22972008161 is a deficient number, since it is larger than the sum of its proper divisors (6082639).

22972008161 is an equidigital number, since it uses as much as digits as its factorization.

22972008161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082638.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 22972008161 in words is "twenty-two billion, nine hundred seventy-two million, eight thousand, one hundred sixty-one".