22223442412 has 12 divisors (see below), whose sum is σ = 38892540960. Its totient is φ = 11111287856.

The previous prime is 22223442379. The next prime is 22223442427. The reversal of 22223442412 is 21424432222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25389 + ... + 212347.

It is an arithmetic number, because the mean of its divisors is an integer number (3241045080).

Almost surely, 2^22223442412 is an apocalyptic number.

It is an amenable number.

22223442412 is a deficient number, since it is larger than the sum of its proper divisors (16669098548).

22223442412 is a wasteful number, since it uses less digits than its factorization.

22223442412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216680 (or 216678 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

Adding to 22223442412 its reverse (21424432222), we get a palindrome (43647874634).

The spelling of 22223442412 in words is "twenty-two billion, two hundred twenty-three million, four hundred forty-two thousand, four hundred twelve".