22210021111222 has 32 divisors (see below), whose sum is σ = 40088222611200. Its totient is φ = 9015355025568.

The previous prime is 22210021111219. The next prime is 22210021111253. The reversal of 22210021111222 is 22211112001222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 22210021111222.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9335772 + ... + 11470687.

It is an arithmetic number, because the mean of its divisors is an integer number (1252756956600).

Almost surely, 2^{22210021111222} is an apocalyptic number.

22210021111222 is a deficient number, since it is larger than the sum of its proper divisors (17878201499978).

22210021111222 is a wasteful number, since it uses less digits than its factorization.

22210021111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20810500.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22210021111222 its reverse (22211112001222), we get a palindrome (44421133112444).

The spelling of 22210021111222 in words is "twenty-two trillion, two hundred ten billion, twenty-one million, one hundred eleven thousand, two hundred twenty-two".