22304320222 has 4 divisors (see below), whose sum is σ = 33456480336. Its totient is φ = 11152160110.

The previous prime is 22304320211. The next prime is 22304320271. The reversal of 22304320222 is 22202340322.

It is a semiprime because it is the product of two primes.

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 junction number, because it is equal to n+sod(n) for n = 22304320193 and 22304320202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5576080054 + ... + 5576080057.

It is an arithmetic number, because the mean of its divisors is an integer number (8364120084).

Almost surely, 2^22304320222 is an apocalyptic number.

22304320222 is a deficient number, since it is larger than the sum of its proper divisors (11152160114).

22304320222 is a wasteful number, since it uses less digits than its factorization.

22304320222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11152160113.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 22304320222 its reverse (22202340322), we get a palindrome (44506660544).

The spelling of 22304320222 in words is "twenty-two billion, three hundred four million, three hundred twenty thousand, two hundred twenty-two".