22144164222 has 8 divisors (see below), whose sum is σ = 44288328456. Its totient is φ = 7381388072.

The previous prime is 22144164221. The next prime is 22144164223. The reversal of 22144164222 is 22246144122.

It is an interprime number because it is at equal distance from previous prime (22144164221) and next prime (22144164223).

It is a sphenic number, since it is the product of 3 distinct primes.

22144164222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22144164222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144164221) 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, 1845347013 + ... + 1845347024.

It is an arithmetic number, because the mean of its divisors is an integer number (5536041057).

Almost surely, 2^22144164222 is an apocalyptic number.

22144164222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22144164222 is a wasteful number, since it uses less digits than its factorization.

22144164222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690694042.

The product of its digits is 12288, while the sum is 30.

The spelling of 22144164222 in words is "twenty-two billion, one hundred forty-four million, one hundred sixty-four thousand, two hundred twenty-two".