22440241212 has 12 divisors (see below), whose sum is σ = 52360562856. Its totient is φ = 7480080400.

The previous prime is 22440241129. The next prime is 22440241279. The reversal of 22440241212 is 21214204422.

It is a happy number.

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

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, 935010039 + ... + 935010062.

It is an arithmetic number, because the mean of its divisors is an integer number (4363380238).

Almost surely, 2^22440241212 is an apocalyptic number.

It is an amenable number.

22440241212 is an abundant number, since it is smaller than the sum of its proper divisors (29920321644).

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

22440241212 is a wasteful number, since it uses less digits than its factorization.

22440241212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870020108 (or 1870020106 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 22440241212 its reverse (21214204422), we get a palindrome (43654445634).

The spelling of 22440241212 in words is "twenty-two billion, four hundred forty million, two hundred forty-one thousand, two hundred twelve".