22213320323 has 4 divisors (see below), whose sum is σ = 22213619568. Its totient is φ = 22213021080.

The previous prime is 22213320313. The next prime is 22213320343. The reversal of 22213320323 is 32302331222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22213320323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22213320313) 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, 55058 + ... + 217848.

It is an arithmetic number, because the mean of its divisors is an integer number (5553404892).

Almost surely, 2^22213320323 is an apocalyptic number.

22213320323 is a deficient number, since it is larger than the sum of its proper divisors (299245).

22213320323 is a wasteful number, since it uses less digits than its factorization.

22213320323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299244.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 22213320323 its reverse (32302331222), we get a palindrome (54515651545).

The spelling of 22213320323 in words is "twenty-two billion, two hundred thirteen million, three hundred twenty thousand, three hundred twenty-three".