22212122110 has 8 divisors (see below), whose sum is σ = 39981819816. Its totient is φ = 8884848840.

The previous prime is 22212122099. The next prime is 22212122111. The reversal of 22212122110 is 1122121222.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212122111) 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, 1110606096 + ... + 1110606115.

It is an arithmetic number, because the mean of its divisors is an integer number (4997727477).

Almost surely, 2^22212122110 is an apocalyptic number.

22212122110 is a deficient number, since it is larger than the sum of its proper divisors (17769697706).

22212122110 is a wasteful number, since it uses less digits than its factorization.

22212122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221212218.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22212122110 its reverse (1122121222), we get a palindrome (23334243332).

The spelling of 22212122110 in words is "twenty-two billion, two hundred twelve million, one hundred twenty-two thousand, one hundred ten".