2221222013 has 16 divisors (see below), whose sum is σ = 2331334656. Its totient is φ = 2113759920.

The previous prime is 2221222001. The next prime is 2221222043. The reversal of 2221222013 is 3102221222.

It is a cyclic number.

It is not a de Polignac number, because 2221222013 - 2¹² = 2221217917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221221982 and 2221222000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221222043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582170 + ... + 585972.

It is an arithmetic number, because the mean of its divisors is an integer number (145708416).

Almost surely, 2^2221222013 is an apocalyptic number.

It is an amenable number.

2221222013 is a deficient number, since it is larger than the sum of its proper divisors (110112643).

2221222013 is a wasteful number, since it uses less digits than its factorization.

2221222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4144.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2221222013 is about 47129.8420642378. The cubic root of 2221222013 is about 1304.7600666726.

Adding to 2221222013 its reverse (3102221222), we get a palindrome (5323443235).

The spelling of 2221222013 in words is "two billion, two hundred twenty-one million, two hundred twenty-two thousand, thirteen".