22132320013 has 4 divisors (see below), whose sum is σ = 22162514908. Its totient is φ = 22102125120.

The previous prime is 22132319977. The next prime is 22132320029. The reversal of 22132320013 is 31002323122.

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 18152981289 + 3979338724 = 134733^2 + 63082^2 .

It is a cyclic number.

It is not a de Polignac number, because 22132320013 - 2⁹ = 22132319501 is a prime.

It is a super-3 number, since 3×22132320013³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132320053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15096348 + ... + 15097813.

It is an arithmetic number, because the mean of its divisors is an integer number (5540628727).

Almost surely, 2^22132320013 is an apocalyptic number.

It is an amenable number.

22132320013 is a deficient number, since it is larger than the sum of its proper divisors (30194895).

22132320013 is an equidigital number, since it uses as much as digits as its factorization.

22132320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30194894.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22132320013 its reverse (31002323122), we get a palindrome (53134643135).

The spelling of 22132320013 in words is "twenty-two billion, one hundred thirty-two million, three hundred twenty thousand, thirteen".