22312332213 has 4 divisors (see below), whose sum is σ = 29749776288. Its totient is φ = 14874888140.

The previous prime is 22312332209. The next prime is 22312332239. The reversal of 22312332213 is 31223321322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22312332213 - 2² = 22312332209 is a prime.

It is a super-3 number, since 3×22312332213³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312332283) 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, 3718722033 + ... + 3718722038.

It is an arithmetic number, because the mean of its divisors is an integer number (7437444072).

Almost surely, 2^22312332213 is an apocalyptic number.

It is an amenable number.

22312332213 is a deficient number, since it is larger than the sum of its proper divisors (7437444075).

22312332213 is an equidigital number, since it uses as much as digits as its factorization.

22312332213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7437444074.

The product of its digits is 2592, while the sum is 24.

Adding to 22312332213 its reverse (31223321322), we get a palindrome (53535653535).

The spelling of 22312332213 in words is "twenty-two billion, three hundred twelve million, three hundred thirty-two thousand, two hundred thirteen".