2220003220221 has 12 divisors (see below), whose sum is σ = 3293338110972. Its totient is φ = 1440002088576.

The previous prime is 2220003220217. The next prime is 2220003220283. The reversal of 2220003220221 is 1220223000222.

2220003220221 is a `hidden beast` number, since 2 + 220 + 0 + 0 + 3 + 220 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2084587316100 + 135415904121 = 1443810^2 + 367989^2 .

It is not a de Polignac number, because 2220003220221 - 2² = 2220003220217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220003220194 and 2220003220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220003220321) 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 11 ways as a sum of consecutive naturals, for example, 3333337836 + ... + 3333338501.

It is an arithmetic number, because the mean of its divisors is an integer number (274444842581).

Almost surely, 2^{2220003220221} is an apocalyptic number.

It is an amenable number.

2220003220221 is a deficient number, since it is larger than the sum of its proper divisors (1073334890751).

2220003220221 is a wasteful number, since it uses less digits than its factorization.

2220003220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6666676380 (or 6666676377 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 2220003220221 its reverse (1220223000222), we get a palindrome (3440226220443).

The spelling of 2220003220221 in words is "two trillion, two hundred twenty billion, three million, two hundred twenty thousand, two hundred twenty-one".