22201000212 has 24 divisors (see below), whose sum is σ = 51985388896. Its totient is φ = 7374182688.

The previous prime is 22201000163. The next prime is 22201000219. The reversal of 22201000212 is 21200010222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201000219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3265303 + ... + 3272094.

Almost surely, 2^22201000212 is an apocalyptic number.

It is an amenable number.

22201000212 is an abundant number, since it is smaller than the sum of its proper divisors (29784388684).

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

22201000212 is a wasteful number, since it uses less digits than its factorization.

22201000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6537687 (or 6537685 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22201000212 its reverse (21200010222), we get a palindrome (43401010434).

The spelling of 22201000212 in words is "twenty-two billion, two hundred one million, two hundred twelve", and thus it is an aban number.