22212100002204 has 192 divisors, whose sum is σ = 66327032217600. Its totient is φ = 6296823748800.

The previous prime is 22212100002203. The next prime is 22212100002271. The reversal of 22212100002204 is 40220000121222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212100002203) 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 63 ways as a sum of consecutive naturals, for example, 748598289 + ... + 748627959.

It is an arithmetic number, because the mean of its divisors is an integer number (345453292800).

Almost surely, 2^{22212100002204} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22212100002204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33163516108800).

22212100002204 is an abundant number, since it is smaller than the sum of its proper divisors (44114932215396).

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

22212100002204 is a wasteful number, since it uses less digits than its factorization.

22212100002204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37381 (or 37373 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22212100002204 its reverse (40220000121222), we get a palindrome (62432100123426).

The spelling of 22212100002204 in words is "twenty-two trillion, two hundred twelve billion, one hundred million, two thousand, two hundred four".