22200202220 has 96 divisors (see below), whose sum is σ = 54785808000. Its totient is φ = 7399102464.

The previous prime is 22200202217. The next prime is 22200202223. The reversal of 22200202220 is 2220200222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22200202217) and next prime (22200202223).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22200202195 and 22200202204.

It is not an unprimeable number, because it can be changed into a prime (22200202223) 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 31 ways as a sum of consecutive naturals, for example, 795056 + ... + 822504.

It is an arithmetic number, because the mean of its divisors is an integer number (570685500).

Almost surely, 2^22200202220 is an apocalyptic number.

22200202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22200202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27392904000).

22200202220 is an abundant number, since it is smaller than the sum of its proper divisors (32585605780).

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

22200202220 is a wasteful number, since it uses less digits than its factorization.

22200202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27627 (or 27625 counting only the distinct ones).

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

Adding to 22200202220 its reverse (2220200222), we get a palindrome (24420402442).

The spelling of 22200202220 in words is "twenty-two billion, two hundred million, two hundred two thousand, two hundred twenty".