22102200212 has 12 divisors (see below), whose sum is σ = 38725626240. Its totient is φ = 11037735576.

The previous prime is 22102200187. The next prime is 22102200247. The reversal of 22102200212 is 21200220122.

It is a super-2 number, since 2×22102200212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3337412 + ... + 3344027.

It is an arithmetic number, because the mean of its divisors is an integer number (3227135520).

Almost surely, 2^22102200212 is an apocalyptic number.

It is an amenable number.

22102200212 is a deficient number, since it is larger than the sum of its proper divisors (16623426028).

22102200212 is a wasteful number, since it uses less digits than its factorization.

22102200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6682270 (or 6682268 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22102200212 its reverse (21200220122), we get a palindrome (43302420334).

The spelling of 22102200212 in words is "twenty-two billion, one hundred two million, two hundred thousand, two hundred twelve".