2013202221 has 4 divisors (see below), whose sum is σ = 2684269632. Its totient is φ = 1342134812.

The previous prime is 2013202207. The next prime is 2013202223. The reversal of 2013202221 is 1222023102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2013202221 - 2²¹ = 2011105069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2013202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013202223) 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, 335533701 + ... + 335533706.

It is an arithmetic number, because the mean of its divisors is an integer number (671067408).

Almost surely, 2^2013202221 is an apocalyptic number.

It is an amenable number.

2013202221 is a deficient number, since it is larger than the sum of its proper divisors (671067411).

2013202221 is an equidigital number, since it uses as much as digits as its factorization.

2013202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671067410.

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

The square root of 2013202221 is about 44868.7220789717. The cubic root of 2013202221 is about 1262.6872647880.

Adding to 2013202221 its reverse (1222023102), we get a palindrome (3235225323).

The spelling of 2013202221 in words is "two billion, thirteen million, two hundred two thousand, two hundred twenty-one".