22200001012 has 48 divisors (see below), whose sum is σ = 44552015872. Its totient is φ = 9481782240.

The previous prime is 22200001007. The next prime is 22200001069. The reversal of 22200001012 is 21010000222.

It is a self number, because there is not a number n which added to its sum of digits gives 22200001012.

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, 15600133 + ... + 15601555.

Almost surely, 2^22200001012 is an apocalyptic number.

It is an amenable number.

22200001012 is an abundant number, since it is smaller than the sum of its proper divisors (22352014860).

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

22200001012 is a wasteful number, since it uses less digits than its factorization.

22200001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948 (or 2946 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22200001012 its reverse (21010000222), we get a palindrome (43210001234).

The spelling of 22200001012 in words is "twenty-two billion, two hundred million, one thousand, twelve".