22222221013 has 16 divisors (see below), whose sum is σ = 22537448640. Its totient is φ = 21909888000.

The previous prime is 22222220989. The next prime is 22222221019. The reversal of 22222221013 is 31012222222.

It is a cyclic number.

It is not a de Polignac number, because 22222221013 - 2⁵ = 22222220981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222221019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13879413 + ... + 13881013.

It is an arithmetic number, because the mean of its divisors is an integer number (1408590540).

Almost surely, 2^22222221013 is an apocalyptic number.

It is an amenable number.

22222221013 is a deficient number, since it is larger than the sum of its proper divisors (315227627).

22222221013 is a wasteful number, since it uses less digits than its factorization.

22222221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22222221013 its reverse (31012222222), we get a palindrome (53234443235).

The spelling of 22222221013 in words is "twenty-two billion, two hundred twenty-two million, two hundred twenty-one thousand, thirteen".