22232230213 has 4 divisors (see below), whose sum is σ = 22545360288. Its totient is φ = 21919100140.

The previous prime is 22232230159. The next prime is 22232230247. The reversal of 22232230213 is 31203223222.

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 a de Polignac number, because none of the positive numbers 2^k-22232230213 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22232230513) 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, 156564931 + ... + 156565072.

It is an arithmetic number, because the mean of its divisors is an integer number (5636340072).

Almost surely, 2^22232230213 is an apocalyptic number.

It is an amenable number.

22232230213 is a deficient number, since it is larger than the sum of its proper divisors (313130075).

22232230213 is an equidigital number, since it uses as much as digits as its factorization.

22232230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313130074.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22232230213 its reverse (31203223222), we get a palindrome (53435453435).

The spelling of 22232230213 in words is "twenty-two billion, two hundred thirty-two million, two hundred thirty thousand, two hundred thirteen".