22143433213 has 8 divisors (see below), whose sum is σ = 24395646816. Its totient is φ = 19931082000.

The previous prime is 22143433187. The next prime is 22143433243. The reversal of 22143433213 is 31233434122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22143433213 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 (22143433243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9964431 + ... + 9966652.

It is an arithmetic number, because the mean of its divisors is an integer number (3049455852).

Almost surely, 2^22143433213 is an apocalyptic number.

It is an amenable number.

22143433213 is a deficient number, since it is larger than the sum of its proper divisors (2252213603).

22143433213 is a wasteful number, since it uses less digits than its factorization.

22143433213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19931195.

The product of its digits is 10368, while the sum is 28.

Adding to 22143433213 its reverse (31233434122), we get a palindrome (53376867335).

Subtracting 22143433213 from its reverse (31233434122), we obtain a palindrome (9090000909).

It can be divided in two parts, 221 and 43433213, that added together give a palindrome (43433434).

The spelling of 22143433213 in words is "twenty-two billion, one hundred forty-three million, four hundred thirty-three thousand, two hundred thirteen".