22100010221222 has 16 divisors (see below), whose sum is σ = 33958912789872. Its totient is φ = 10780378346880.

The previous prime is 22100010221189. The next prime is 22100010221251. The reversal of 22100010221222 is 22212201000122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22100010221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6615098 + ... + 9378674.

It is an arithmetic number, because the mean of its divisors is an integer number (2122432049367).

Almost surely, 2^{22100010221222} is an apocalyptic number.

22100010221222 is a deficient number, since it is larger than the sum of its proper divisors (11858902568650).

22100010221222 is a wasteful number, since it uses less digits than its factorization.

22100010221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861143.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22100010221222 its reverse (22212201000122), we get a palindrome (44312211221344).

The spelling of 22100010221222 in words is "twenty-two trillion, one hundred billion, ten million, two hundred twenty-one thousand, two hundred twenty-two".