2013221330 has 16 divisors (see below), whose sum is σ = 3674839104. Its totient is φ = 793946160.

The previous prime is 2013221297. The next prime is 2013221339. The reversal of 2013221330 is 331223102.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2013221299 and 2013221308.

It is not an unprimeable number, because it can be changed into a prime (2013221339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417052 + ... + 1418471.

It is an arithmetic number, because the mean of its divisors is an integer number (229677444).

Almost surely, 2^2013221330 is an apocalyptic number.

2013221330 is a deficient number, since it is larger than the sum of its proper divisors (1661617774).

2013221330 is a wasteful number, since it uses less digits than its factorization.

2013221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835601.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2013221330 is about 44868.9350219057. The cubic root of 2013221330 is about 1262.6912598519.

Adding to 2013221330 its reverse (331223102), we get a palindrome (2344444432).

The spelling of 2013221330 in words is "two billion, thirteen million, two hundred twenty-one thousand, three hundred thirty".