22013312013 has 48 divisors (see below), whose sum is σ = 39672547200. Its totient is φ = 11426970240.

The previous prime is 22013311979. The next prime is 22013312021. The reversal of 22013312013 is 31021331022.

It is not a de Polignac number, because 22013312013 - 2²⁰ = 22012263437 is a prime.

It is a super-2 number, since 2×22013312013² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013312033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 979183 + ... + 1001411.

It is an arithmetic number, because the mean of its divisors is an integer number (826511400).

Almost surely, 2^22013312013 is an apocalyptic number.

It is an amenable number.

22013312013 is a deficient number, since it is larger than the sum of its proper divisors (17659235187).

22013312013 is a wasteful number, since it uses less digits than its factorization.

22013312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23682 (or 23679 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22013312013 its reverse (31021331022), we get a palindrome (53034643035).

The spelling of 22013312013 in words is "twenty-two billion, thirteen million, three hundred twelve thousand, thirteen".