22012010112222 has 96 divisors (see below), whose sum is σ = 53542499512320. Its totient is φ = 6737465472480.

The previous prime is 22012010112221. The next prime is 22012010112271. The reversal of 22012010112222 is 22221101021022.

It is a happy number.

22012010112222 is a `hidden beast` number, since 220 + 120 + 101 + 1 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22012010112195 and 22012010112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012010112221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7913722 + ... + 10327197.

It is an arithmetic number, because the mean of its divisors is an integer number (557734369920).

Almost surely, 2^{22012010112222} is an apocalyptic number.

22012010112222 is an abundant number, since it is smaller than the sum of its proper divisors (31530489400098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22012010112222 is a wasteful number, since it uses less digits than its factorization.

22012010112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18241140 (or 18241128 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22012010112222 its reverse (22221101021022), we get a palindrome (44233111133244).

The spelling of 22012010112222 in words is "twenty-two trillion, twelve billion, ten million, one hundred twelve thousand, two hundred twenty-two".