2200221122220 has 144 divisors (see below), whose sum is σ = 7302338473248. Its totient is φ = 531804026880.

The previous prime is 2200221122189. The next prime is 2200221122221. The reversal of 2200221122220 is 222211220022.

2200221122220 is a `hidden beast` number, since 2 + 200 + 221 + 1 + 22 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2200221122193 and 2200221122202.

It is not an unprimeable number, because it can be changed into a prime (2200221122221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 981439 + ... + 2315958.

It is an arithmetic number, because the mean of its divisors is an integer number (50710683842).

Almost surely, 2^{2200221122220} is an apocalyptic number.

2200221122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200221122220 is an abundant number, since it is smaller than the sum of its proper divisors (5102117351028).

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

2200221122220 is a wasteful number, since it uses less digits than its factorization.

2200221122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297760 (or 3297755 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2200221122220 its reverse (222211220022), we get a palindrome (2422432342242).

The spelling of 2200221122220 in words is "two trillion, two hundred billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty".