2013221322 has 48 divisors (see below), whose sum is σ = 5004597312. Its totient is φ = 572958720.

The previous prime is 2013221297. The next prime is 2013221339. The reversal of 2013221322 is 2231223102.

2013221322 is a `hidden beast` number, since 20 + 1 + 322 + 1 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2013221295 and 2013221304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1297 + ... + 63467.

It is an arithmetic number, because the mean of its divisors is an integer number (104262444).

Almost surely, 2^2013221322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013221322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2502298656).

2013221322 is an abundant number, since it is smaller than the sum of its proper divisors (2991375990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2013221322 is a wasteful number, since it uses less digits than its factorization.

2013221322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62443 (or 62440 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2013221322 is about 44868.9349327572. The cubic root of 2013221322 is about 1262.6912581794.

Adding to 2013221322 its reverse (2231223102), we get a palindrome (4244444424).

The spelling of 2013221322 in words is "two billion, thirteen million, two hundred twenty-one thousand, three hundred twenty-two".