22012211100222 has 64 divisors (see below), whose sum is σ = 57093475645440. Its totient is φ = 6155390333088.

The previous prime is 22012211100221. The next prime is 22012211100263. The reversal of 22012211100222 is 22200111221022.

It is a happy number.

22012211100222 is a `hidden beast` number, since 220 + 1 + 2 + 211 + 10 + 0 + 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 = 22012211100195 and 22012211100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012211100221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 619486093 + ... + 619521624.

It is an arithmetic number, because the mean of its divisors is an integer number (892085556960).

Almost surely, 2^{22012211100222} is an apocalyptic number.

22012211100222 is an abundant number, since it is smaller than the sum of its proper divisors (35081264545218).

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

22012211100222 is a wasteful number, since it uses less digits than its factorization.

22012211100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239007782 (or 1239007776 counting only the distinct ones).

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

Adding to 22012211100222 its reverse (22200111221022), we get a palindrome (44212322321244).

The spelling of 22012211100222 in words is "twenty-two trillion, twelve billion, two hundred eleven million, one hundred thousand, two hundred twenty-two".