22102303220 has 12 divisors (see below), whose sum is σ = 46414836804. Its totient is φ = 8840921280.

The previous prime is 22102303199. The next prime is 22102303229. The reversal of 22102303220 is 2230320122.

It can be written as a sum of positive squares in 2 ways, for example, as 12235456996 + 9866846224 = 110614^2 + 99332^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102303229) 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, 552557561 + ... + 552557600.

It is an arithmetic number, because the mean of its divisors is an integer number (3867903067).

Almost surely, 2^22102303220 is an apocalyptic number.

22102303220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102303220 is an abundant number, since it is smaller than the sum of its proper divisors (24312533584).

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

22102303220 is a wasteful number, since it uses less digits than its factorization.

22102303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105115170 (or 1105115168 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22102303220 its reverse (2230320122), we get a palindrome (24332623342).

The spelling of 22102303220 in words is "twenty-two billion, one hundred two million, three hundred three thousand, two hundred twenty".