22244404220 has 24 divisors (see below), whose sum is σ = 47594633184. Its totient is φ = 8729878976.

The previous prime is 22244404213. The next prime is 22244404229. The reversal of 22244404220 is 2240444222.

It is a self number, because there is not a number n which added to its sum of digits gives 22244404220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244404229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10491584 + ... + 10493703.

It is an arithmetic number, because the mean of its divisors is an integer number (1983109716).

Almost surely, 2^22244404220 is an apocalyptic number.

22244404220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22244404220 is an abundant number, since it is smaller than the sum of its proper divisors (25350228964).

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

22244404220 is a wasteful number, since it uses less digits than its factorization.

22244404220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20985349 (or 20985347 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22244404220 its reverse (2240444222), we get a palindrome (24484848442).

The spelling of 22244404220 in words is "twenty-two billion, two hundred forty-four million, four hundred four thousand, two hundred twenty".