22243550412 has 12 divisors (see below), whose sum is σ = 51901617656. Its totient is φ = 7414516800.

The previous prime is 22243550383. The next prime is 22243550419. The reversal of 22243550412 is 21405534222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 22243550412.

It is not an unprimeable number, because it can be changed into a prime (22243550419) by changing a digit.

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, 926814589 + ... + 926814612.

Almost surely, 2^22243550412 is an apocalyptic number.

It is an amenable number.

22243550412 is an abundant number, since it is smaller than the sum of its proper divisors (29658067244).

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

22243550412 is a wasteful number, since it uses less digits than its factorization.

22243550412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853629208 (or 1853629206 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 22243550412 in words is "twenty-two billion, two hundred forty-three million, five hundred fifty thousand, four hundred twelve".