2222201122220 has 24 divisors (see below), whose sum is σ = 4667999490000. Its totient is φ = 888618137792.

The previous prime is 2222201122217. The next prime is 2222201122223. The reversal of 2222201122220 is 222211022222.

It is an interprime number because it is at equal distance from previous prime (2222201122217) and next prime (2222201122223).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2222201122192 and 2222201122201.

It is not an unprimeable number, because it can be changed into a prime (2222201122223) 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, 16324970 + ... + 16460529.

It is an arithmetic number, because the mean of its divisors is an integer number (194499978750).

Almost surely, 2^{2222201122220} is an apocalyptic number.

2222201122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222201122220 is an abundant number, since it is smaller than the sum of its proper divisors (2445798367780).

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

2222201122220 is a wasteful number, since it uses less digits than its factorization.

2222201122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32788897 (or 32788895 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2222201122220 its reverse (222211022222), we get a palindrome (2444412144442).

The spelling of 2222201122220 in words is "two trillion, two hundred twenty-two billion, two hundred one million, one hundred twenty-two thousand, two hundred twenty".