22100210211222 has 144 divisors (see below), whose sum is σ = 60015448190880. Its totient is φ = 5818237032960.

The previous prime is 22100210211169. The next prime is 22100210211229. The reversal of 22100210211222 is 22211201200122.

It is a happy number.

22100210211222 is a `hidden beast` number, since 2 + 21 + 0 + 0 + 210 + 211 + 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 = 22100210211195 and 22100210211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100210211229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 22475722 + ... + 23438397.

It is an arithmetic number, because the mean of its divisors is an integer number (416773945770).

Almost surely, 2^{22100210211222} is an apocalyptic number.

22100210211222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22100210211222 is an abundant number, since it is smaller than the sum of its proper divisors (37915237979658).

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

22100210211222 is a wasteful number, since it uses less digits than its factorization.

22100210211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45914179 (or 45914165 counting only the distinct ones).

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

Adding to 22100210211222 its reverse (22211201200122), we get a palindrome (44311411411344).

The spelling of 22100210211222 in words is "twenty-two trillion, one hundred billion, two hundred ten million, two hundred eleven thousand, two hundred twenty-two".