22256200212 has 24 divisors (see below), whose sum is σ = 52390704576. Its totient is φ = 7353080448.

The previous prime is 22256200189. The next prime is 22256200229. The reversal of 22256200212 is 21200265222.

It is a happy number.

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, 8205208 + ... + 8207919.

It is an arithmetic number, because the mean of its divisors is an integer number (2182946024).

Almost surely, 2^22256200212 is an apocalyptic number.

It is an amenable number.

22256200212 is an abundant number, since it is smaller than the sum of its proper divisors (30134504364).

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

22256200212 is a wasteful number, since it uses less digits than its factorization.

22256200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16413247 (or 16413245 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 22256200212 its reverse (21200265222), we get a palindrome (43456465434).

The spelling of 22256200212 in words is "twenty-two billion, two hundred fifty-six million, two hundred thousand, two hundred twelve".