2220010221 has 16 divisors (see below), whose sum is σ = 3477499200. Its totient is φ = 1241963520.

The previous prime is 2220010211. The next prime is 2220010241. The reversal of 2220010221 is 1220100222.

It is not a de Polignac number, because 2220010221 - 2⁶ = 2220010157 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2220010197 and 2220010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220010211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2586996 + ... + 2587853.

It is an arithmetic number, because the mean of its divisors is an integer number (217343700).

Almost surely, 2^2220010221 is an apocalyptic number.

It is an amenable number.

2220010221 is a deficient number, since it is larger than the sum of its proper divisors (1257488979).

2220010221 is a wasteful number, since it uses less digits than its factorization.

2220010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174876.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2220010221 is about 47116.9844217560. The cubic root of 2220010221 is about 1304.5227520454.

Adding to 2220010221 its reverse (1220100222), we get a palindrome (3440110443).

Subtracting from 2220010221 its reverse (1220100222), we obtain a palindrome (999909999).

The spelling of 2220010221 in words is "two billion, two hundred twenty million, ten thousand, two hundred twenty-one".