2202221111220 has 192 divisors, whose sum is σ = 7396791252480. Its totient is φ = 540732672000.

The previous prime is 2202221111201. The next prime is 2202221111267. The reversal of 2202221111220 is 221111222022.

It is a happy number.

2202221111220 is a `hidden beast` number, since 220 + 2 + 2 + 211 + 11 + 220 = 666.

2202221111220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 2202221111193 and 2202221111202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2423865 + ... + 3206175.

It is an arithmetic number, because the mean of its divisors is an integer number (38524954440).

Almost surely, 2^{2202221111220} is an apocalyptic number.

2202221111220 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 2202221111220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3698395626240).

2202221111220 is an abundant number, since it is smaller than the sum of its proper divisors (5194570141260).

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

2202221111220 is a wasteful number, since it uses less digits than its factorization.

2202221111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782743 (or 782735 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2202221111220 its reverse (221111222022), we get a palindrome (2423332333242).

It can be divided in two parts, 2202221 and 111220, that added together give a 4-th power (2313441 = 39⁴).

The spelling of 2202221111220 in words is "two trillion, two hundred two billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twenty".