2200221002220 has 144 divisors (see below), whose sum is σ = 6503991137280. Its totient is φ = 555668883072.

The previous prime is 2200221002183. The next prime is 2200221002249. The reversal of 2200221002220 is 222001220022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2200221002220.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76640389 + ... + 76669091.

It is an arithmetic number, because the mean of its divisors is an integer number (45166605120).

Almost surely, 2^{2200221002220} is an apocalyptic number.

2200221002220 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 2200221002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3251995568640).

2200221002220 is an abundant number, since it is smaller than the sum of its proper divisors (4303770135060).

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

2200221002220 is a wasteful number, since it uses less digits than its factorization.

2200221002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32292 (or 32271 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2200221002220 its reverse (222001220022), we get a palindrome (2422222222242).

The spelling of 2200221002220 in words is "two trillion, two hundred billion, two hundred twenty-one million, two thousand, two hundred twenty".