2202332221 has 4 divisors (see below), whose sum is σ = 2202990844. Its totient is φ = 2201673600.

The previous prime is 2202332219. The next prime is 2202332311. The reversal of 2202332221 is 1222332022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1222332022 = 2 ⋅611166011.

It can be written as a sum of positive squares in 2 ways, for example, as 1936968121 + 265364100 = 44011^2 + 16290^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202332221 - 2¹ = 2202332219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202332021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324270 + ... + 330991.

It is an arithmetic number, because the mean of its divisors is an integer number (550747711).

Almost surely, 2^2202332221 is an apocalyptic number.

It is an amenable number.

2202332221 is a deficient number, since it is larger than the sum of its proper divisors (658623).

2202332221 is an equidigital number, since it uses as much as digits as its factorization.

2202332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658622.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2202332221 is about 46929.0125721818. The cubic root of 2202332221 is about 1301.0508704059.

Adding to 2202332221 its reverse (1222332022), we get a palindrome (3424664243).

The spelling of 2202332221 in words is "two billion, two hundred two million, three hundred thirty-two thousand, two hundred twenty-one".