2220300221 has 8 divisors (see below), whose sum is σ = 2285519544. Its totient is φ = 2155944960.

The previous prime is 2220300211. The next prime is 2220300223. The reversal of 2220300221 is 1220030222.

It can be written as a sum of positive squares in 4 ways, for example, as 312794596 + 1907505625 = 17686^2 + 43675^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220300221 - 2¹⁰ = 2220299197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220300196 and 2220300205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220300223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210800 + ... + 221081.

It is an arithmetic number, because the mean of its divisors is an integer number (285689943).

Almost surely, 2^2220300221 is an apocalyptic number.

It is an amenable number.

2220300221 is a deficient number, since it is larger than the sum of its proper divisors (65219323).

2220300221 is an equidigital number, since it uses as much as digits as its factorization.

2220300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432031.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2220300221 is about 47120.0617677863. The cubic root of 2220300221 is about 1304.5795528539.

Adding to 2220300221 its reverse (1220030222), we get a palindrome (3440330443).

The spelling of 2220300221 in words is "two billion, two hundred twenty million, three hundred thousand, two hundred twenty-one".