22222189161 has 8 divisors (see below), whose sum is σ = 32921761760. Its totient is φ = 14814792756.

The previous prime is 22222189147. The next prime is 22222189211. The reversal of 22222189161 is 16198122222.

It is not a de Polignac number, because 22222189161 - 2¹⁰ = 22222188137 is a prime.

It is a super-2 number, since 2×22222189161² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22222169161) 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 7 ways as a sum of consecutive naturals, for example, 411521995 + ... + 411522048.

It is an arithmetic number, because the mean of its divisors is an integer number (4115220220).

Almost surely, 2^22222189161 is an apocalyptic number.

It is an amenable number.

22222189161 is a deficient number, since it is larger than the sum of its proper divisors (10699572599).

22222189161 is an equidigital number, since it uses as much as digits as its factorization.

22222189161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823044052 (or 823044046 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The spelling of 22222189161 in words is "twenty-two billion, two hundred twenty-two million, one hundred eighty-nine thousand, one hundred sixty-one".