2201030221 has 8 divisors (see below), whose sum is σ = 2377822104. Its totient is φ = 2025307200.

The previous prime is 2201030203. The next prime is 2201030233. The reversal of 2201030221 is 1220301022.

It can be written as a sum of positive squares in 4 ways, for example, as 12996 + 2201017225 = 114^2 + 46915^2 .

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 2201030221 - 2⁹ = 2201029709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201031221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262930 + ... + 271171.

It is an arithmetic number, because the mean of its divisors is an integer number (297227763).

Almost surely, 2^2201030221 is an apocalyptic number.

It is an amenable number.

2201030221 is a deficient number, since it is larger than the sum of its proper divisors (176791883).

2201030221 is a wasteful number, since it uses less digits than its factorization.

2201030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534431.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2201030221 is about 46915.1385056039. The cubic root of 2201030221 is about 1300.7944298098.

Adding to 2201030221 its reverse (1220301022), we get a palindrome (3421331243).

The spelling of 2201030221 in words is "two billion, two hundred one million, thirty thousand, two hundred twenty-one".