22222020200212 has 192 divisors, whose sum is σ = 49851708318720. Its totient is φ = 8447969746944.

The previous prime is 22222020200209. The next prime is 22222020200227. The reversal of 22222020200212 is 21200202022222.

It is a self number, because there is not a number n which added to its sum of digits gives 22222020200212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144050473 + ... + 144204655.

It is an arithmetic number, because the mean of its divisors is an integer number (259644314160).

Almost surely, 2^{22222020200212} 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 22222020200212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24925854159360).

22222020200212 is an abundant number, since it is smaller than the sum of its proper divisors (27629688118508).

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

22222020200212 is a wasteful number, since it uses less digits than its factorization.

22222020200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154490 (or 154488 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22222020200212 its reverse (21200202022222), we get a palindrome (43422222222434).

The spelling of 22222020200212 in words is "twenty-two trillion, two hundred twenty-two billion, twenty million, two hundred thousand, two hundred twelve".