2203210221 has 16 divisors (see below), whose sum is σ = 3021539136. Its totient is φ = 1427198976.

The previous prime is 2203210213. The next prime is 2203210231. The reversal of 2203210221 is 1220123022.

It is a happy number.

It is not a de Polignac number, because 2203210221 - 2³ = 2203210213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2203210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203210231) 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, 19350 + ... + 69143.

It is an arithmetic number, because the mean of its divisors is an integer number (188846196).

Almost surely, 2^2203210221 is an apocalyptic number.

It is an amenable number.

2203210221 is a deficient number, since it is larger than the sum of its proper divisors (818328915).

2203210221 is a wasteful number, since it uses less digits than its factorization.

2203210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88732.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2203210221 is about 46938.3661944043. The cubic root of 2203210221 is about 1301.2237433395.

Adding to 2203210221 its reverse (1220123022), we get a palindrome (3423333243).

The spelling of 2203210221 in words is "two billion, two hundred three million, two hundred ten thousand, two hundred twenty-one".