22220000200212 has 72 divisors (see below), whose sum is σ = 54937065570912. Its totient is φ = 6988886280000.

The previous prime is 22220000200207. The next prime is 22220000200243. The reversal of 22220000200212 is 21200200002222.

It is a junction number, because it is equal to n+sod(n) for n = 22220000200191 and 22220000200200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9130339 + ... + 11305002.

It is an arithmetic number, because the mean of its divisors is an integer number (763014799596).

Almost surely, 2^{22220000200212} is an apocalyptic number.

It is an amenable number.

22220000200212 is an abundant number, since it is smaller than the sum of its proper divisors (32717065370700).

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

22220000200212 is a wasteful number, since it uses less digits than its factorization.

22220000200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20435637 (or 20435616 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22220000200212 its reverse (21200200002222), we get a palindrome (43420200202434).

The spelling of 22220000200212 in words is "twenty-two trillion, two hundred twenty billion, two hundred thousand, two hundred twelve".