2013221233 has 2 divisors, whose sum is σ = 2013221234. Its totient is φ = 2013221232.

The previous prime is 2013221219. The next prime is 2013221269. The reversal of 2013221233 is 3321223102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1132793649 + 880427584 = 33657^2 + 29672^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013221233 - 2²¹ = 2011124081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2013221233.

It is not a weakly prime, because it can be changed into another prime (2013228233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006610616 + 1006610617.

It is an arithmetic number, because the mean of its divisors is an integer number (1006610617).

Almost surely, 2^2013221233 is an apocalyptic number.

It is an amenable number.

2013221233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013221233 is an equidigital number, since it uses as much as digits as its factorization.

2013221233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2013221233 is about 44868.9339409797. The cubic root of 2013221233 is about 1262.6912395725.

Adding to 2013221233 its reverse (3321223102), we get a palindrome (5334444335).

The spelling of 2013221233 in words is "two billion, thirteen million, two hundred twenty-one thousand, two hundred thirty-three".