22794968161 has 4 divisors (see below), whose sum is σ = 26051392192. Its totient is φ = 19538544132.

The previous prime is 22794968129. The next prime is 22794968227. The reversal of 22794968161 is 16186949722.

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: 16186949722 = 2 ⋅8093474861.

It is a cyclic number.

It is not a de Polignac number, because 22794968161 - 2⁵ = 22794968129 is a prime.

It is a super-2 number, since 2×22794968161² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22794968461) 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, 1628212005 + ... + 1628212018.

It is an arithmetic number, because the mean of its divisors is an integer number (6512848048).

Almost surely, 2^22794968161 is an apocalyptic number.

It is an amenable number.

22794968161 is a deficient number, since it is larger than the sum of its proper divisors (3256424031).

22794968161 is an equidigital number, since it uses as much as digits as its factorization.

22794968161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256424030.

The product of its digits is 2612736, while the sum is 55.

The spelling of 22794968161 in words is "twenty-two billion, seven hundred ninety-four million, nine hundred sixty-eight thousand, one hundred sixty-one".