22232021222 has 8 divisors (see below), whose sum is σ = 33678210672. Its totient is φ = 11005951000.

The previous prime is 22232021213. The next prime is 22232021233. The reversal of 22232021222 is 22212023222.

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

It is a junction number, because it is equal to n+sod(n) for n = 22232021194 and 22232021203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55029554 + ... + 55029957.

It is an arithmetic number, because the mean of its divisors is an integer number (4209776334).

Almost surely, 2^22232021222 is an apocalyptic number.

22232021222 is a deficient number, since it is larger than the sum of its proper divisors (11446189450).

22232021222 is a wasteful number, since it uses less digits than its factorization.

22232021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110059614.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22232021222 its reverse (22212023222), we get a palindrome (44444044444).

The spelling of 22232021222 in words is "twenty-two billion, two hundred thirty-two million, twenty-one thousand, two hundred twenty-two".