22112202122222 has 8 divisors (see below), whose sum is σ = 33168787972416. Its totient is φ = 11055939464752.

The previous prime is 22112202122207. The next prime is 22112202122359. The reversal of 22112202122222 is 22222120221122.

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

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, 80627063 + ... + 80900850.

It is an arithmetic number, because the mean of its divisors is an integer number (4146098496552).

Almost surely, 2^{22112202122222} is an apocalyptic number.

22112202122222 is a deficient number, since it is larger than the sum of its proper divisors (11056585850194).

22112202122222 is a wasteful number, since it uses less digits than its factorization.

22112202122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161596362.

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

Adding to 22112202122222 its reverse (22222120221122), we get a palindrome (44334322343344).

The spelling of 22112202122222 in words is "twenty-two trillion, one hundred twelve billion, two hundred two million, one hundred twenty-two thousand, two hundred twenty-two".