22201020212 has 48 divisors (see below), whose sum is σ = 46847418240. Its totient is φ = 8993037312.

The previous prime is 22201020199. The next prime is 22201020221. The reversal of 22201020212 is 21202010222.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 15 ways as a sum of consecutive naturals, for example, 182168 + ... + 278544.

It is an arithmetic number, because the mean of its divisors is an integer number (975987880).

Almost surely, 2^22201020212 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 22201020212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23423709120).

22201020212 is an abundant number, since it is smaller than the sum of its proper divisors (24646398028).

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

22201020212 is a wasteful number, since it uses less digits than its factorization.

22201020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96840 (or 96838 counting only the distinct ones).

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

Adding to 22201020212 its reverse (21202010222), we get a palindrome (43403030434).

The spelling of 22201020212 in words is "twenty-two billion, two hundred one million, twenty thousand, two hundred twelve".