22222120001222 has 8 divisors (see below), whose sum is σ = 33333262759272. Its totient is φ = 11111032414800.

The previous prime is 22222120001209. The next prime is 22222120001281. The reversal of 22222120001222 is 22210002122222.

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

It is a super-2 number, since 2×22222120001222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22222120001194 and 22222120001203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12770804 + ... + 14406167.

It is an arithmetic number, because the mean of its divisors is an integer number (4166657844909).

Almost surely, 2^{22222120001222} is an apocalyptic number.

22222120001222 is a deficient number, since it is larger than the sum of its proper divisors (11111142758050).

22222120001222 is a wasteful number, since it uses less digits than its factorization.

22222120001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27585814.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22222120001222 its reverse (22210002122222), we get a palindrome (44432122123444).

The spelling of 22222120001222 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty million, one thousand, two hundred twenty-two".