22202200221222 has 16 divisors (see below), whose sum is σ = 50747886220032. Its totient is φ = 6343485777480.

The previous prime is 22202200221221. The next prime is 22202200221281. The reversal of 22202200221222 is 22212200220222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202200221221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264311907354 + ... + 264311907437.

It is an arithmetic number, because the mean of its divisors is an integer number (3171742888752).

Almost surely, 2^{22202200221222} is an apocalyptic number.

22202200221222 is an abundant number, since it is smaller than the sum of its proper divisors (28545685998810).

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

22202200221222 is a wasteful number, since it uses less digits than its factorization.

22202200221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528623814803.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22202200221222 its reverse (22212200220222), we get a palindrome (44414400441444).

The spelling of 22202200221222 in words is "twenty-two trillion, two hundred two billion, two hundred million, two hundred twenty-one thousand, two hundred twenty-two".