22232112013 has 4 divisors (see below), whose sum is σ = 22373717980. Its totient is φ = 22090506048.

The previous prime is 22232111999. The next prime is 22232112017. The reversal of 22232112013 is 31021123222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15276218409 + 6955893604 = 123597^2 + 83402^2 .

It is a cyclic number.

It is not a de Polignac number, because 22232112013 - 2²⁵ = 22198557581 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 (22232112017) 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 3 ways as a sum of consecutive naturals, for example, 70802748 + ... + 70803061.

It is an arithmetic number, because the mean of its divisors is an integer number (5593429495).

Almost surely, 2^22232112013 is an apocalyptic number.

It is an amenable number.

22232112013 is a deficient number, since it is larger than the sum of its proper divisors (141605967).

22232112013 is a wasteful number, since it uses less digits than its factorization.

22232112013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141605966.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22232112013 its reverse (31021123222), we get a palindrome (53253235235).

The spelling of 22232112013 in words is "twenty-two billion, two hundred thirty-two million, one hundred twelve thousand, thirteen".