22222110221222 has 8 divisors (see below), whose sum is σ = 33334172749272. Its totient is φ = 11110719304800.

The previous prime is 22222110221221. The next prime is 22222110221347. The reversal of 22222110221222 is 22212201122222.

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 (22222110221221) 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, 167820179 + ... + 167952542.

It is an arithmetic number, because the mean of its divisors is an integer number (4166771593659).

Almost surely, 2^{22222110221222} is an apocalyptic number.

22222110221222 is a deficient number, since it is larger than the sum of its proper divisors (11112062528050).

22222110221222 is a wasteful number, since it uses less digits than its factorization.

22222110221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335805814.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22222110221222 its reverse (22212201122222), we get a palindrome (44434311343444).

The spelling of 22222110221222 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred ten million, two hundred twenty-one thousand, two hundred twenty-two".