2201203221 has 16 divisors (see below), whose sum is σ = 3355312128. Its totient is φ = 1257418800.

The previous prime is 2201203187. The next prime is 2201203253. The reversal of 2201203221 is 1223021022.

It is a happy number.

It is not a de Polignac number, because 2201203221 - 2¹⁰ = 2201202197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2201203221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201203321) 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, 55756 + ... + 86666.

It is an arithmetic number, because the mean of its divisors is an integer number (209707008).

Almost surely, 2^2201203221 is an apocalyptic number.

2201203221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2201203221 is a deficient number, since it is larger than the sum of its proper divisors (1154108907).

2201203221 is a wasteful number, since it uses less digits than its factorization.

2201203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34312.

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

The square root of 2201203221 is about 46916.9822239240. The cubic root of 2201203221 is about 1300.8285095388.

Adding to 2201203221 its reverse (1223021022), we get a palindrome (3424224243).

The spelling of 2201203221 in words is "two billion, two hundred one million, two hundred three thousand, two hundred twenty-one".