22202200212 has 24 divisors (see below), whose sum is σ = 51824705856. Its totient is φ = 7397937408.

The previous prime is 22202200187. The next prime is 22202200247. The reversal of 22202200212 is 21200220222.

It is a junction number, because it is equal to n+sod(n) for n = 22202200191 and 22202200200.

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, 316288 + ... + 380055.

It is an arithmetic number, because the mean of its divisors is an integer number (2159362744).

Almost surely, 2^22202200212 is an apocalyptic number.

It is an amenable number.

22202200212 is an abundant number, since it is smaller than the sum of its proper divisors (29622505644).

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

22202200212 is a wasteful number, since it uses less digits than its factorization.

22202200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699007 (or 699005 counting only the distinct ones).

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

Adding to 22202200212 its reverse (21200220222), we get a palindrome (43402420434).

The spelling of 22202200212 in words is "twenty-two billion, two hundred two million, two hundred thousand, two hundred twelve".