2321222013 has 18 divisors (see below), whose sum is σ = 3685394622. Its totient is φ = 1406800560.

The previous prime is 2321221943. The next prime is 2321222063. The reversal of 2321222013 is 3102221232.

2321222013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1604963844 + 716258169 = 40062^2 + 26763^2 .

It is not a de Polignac number, because 2321222013 - 2⁹ = 2321221501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321222063) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1064670 + ... + 1066847.

Almost surely, 2^2321222013 is an apocalyptic number.

It is an amenable number.

2321222013 is a deficient number, since it is larger than the sum of its proper divisors (1364172609).

2321222013 is a wasteful number, since it uses less digits than its factorization.

2321222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131545 (or 2131531 counting only the distinct ones).

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

The square root of 2321222013 is about 48179.0619771701. The cubic root of 2321222013 is about 1324.0535808052.

Adding to 2321222013 its reverse (3102221232), we get a palindrome (5423443245).

The spelling of 2321222013 in words is "two billion, three hundred twenty-one million, two hundred twenty-two thousand, thirteen".