22112220122222 has 8 divisors (see below), whose sum is σ = 33294445508016. Its totient is φ = 11014071619552.

The previous prime is 22112220122191. The next prime is 22112220122281. The reversal of 22112220122222 is 22222102221122.

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, 21019220123 + ... + 21019221174.

It is an arithmetic number, because the mean of its divisors is an integer number (4161805688502).

Almost surely, 2^{22112220122222} is an apocalyptic number.

22112220122222 is a deficient number, since it is larger than the sum of its proper divisors (11182225385794).

22112220122222 is a wasteful number, since it uses less digits than its factorization.

22112220122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42038441562.

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

Adding to 22112220122222 its reverse (22222102221122), we get a palindrome (44334322343344).

The spelling of 22112220122222 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twenty-two".