22200220220 has 24 divisors (see below), whose sum is σ = 46625587008. Its totient is φ = 8879112000.

The previous prime is 22200220201. The next prime is 22200220223. The reversal of 22200220220 is 2202200222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22200220195 and 22200220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200220223) 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 7 ways as a sum of consecutive naturals, for example, 141965 + ... + 254075.

It is an arithmetic number, because the mean of its divisors is an integer number (1942732792).

Almost surely, 2^22200220220 is an apocalyptic number.

22200220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200220220 is an abundant number, since it is smaller than the sum of its proper divisors (24425366788).

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

22200220220 is a wasteful number, since it uses less digits than its factorization.

22200220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122021 (or 122019 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22200220220 its reverse (2202200222), we get a palindrome (24402420442).

The spelling of 22200220220 in words is "twenty-two billion, two hundred million, two hundred twenty thousand, two hundred twenty".