22200112112222 has 16 divisors (see below), whose sum is σ = 37580127087600. Its totient is φ = 9742995911040.

The previous prime is 22200112112221. The next prime is 22200112112261. The reversal of 22200112112222 is 22221121100222.

It is a junction number, because it is equal to n+sod(n) for n = 22200112112194 and 22200112112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200112112221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17398206347 + ... + 17398207622.

It is an arithmetic number, because the mean of its divisors is an integer number (2348757942975).

Almost surely, 2^{22200112112222} is an apocalyptic number.

22200112112222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22200112112222 is a deficient number, since it is larger than the sum of its proper divisors (15380014975378).

22200112112222 is a wasteful number, since it uses less digits than its factorization.

22200112112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34796414011.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22200112112222 its reverse (22221121100222), we get a palindrome (44421233212444).

The spelling of 22200112112222 in words is "twenty-two trillion, two hundred billion, one hundred twelve million, one hundred twelve thousand, two hundred twenty-two".