22089222318 has 16 divisors (see below), whose sum is σ = 44433813456. Its totient is φ = 7320512640.

The previous prime is 22089222313. The next prime is 22089222359. The reversal of 22089222318 is 81322298022.

It is a happy number.

It is a super-2 number, since 2×22089222318² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22089222313) 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, 10639243 + ... + 10641318.

It is an arithmetic number, because the mean of its divisors is an integer number (2777113341).

Almost surely, 2^22089222318 is an apocalyptic number.

22089222318 is an abundant number, since it is smaller than the sum of its proper divisors (22344591138).

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

22089222318 is a wasteful number, since it uses less digits than its factorization.

22089222318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21280739.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 22089222318 in words is "twenty-two billion, eighty-nine million, two hundred twenty-two thousand, three hundred eighteen".