22224124424012 has 24 divisors (see below), whose sum is σ = 45481929056256. Its totient is φ = 9303121851408.

The previous prime is 22224124424011. The next prime is 22224124424041. The reversal of 22224124424012 is 21042442142222.

It is a happy number.

It is a super-2 number, since 2×22224124424012² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22224124424012.

It is not an unprimeable number, because it can be changed into a prime (22224124424011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9229286348 + ... + 9229288755.

It is an arithmetic number, because the mean of its divisors is an integer number (1895080377344).

Almost surely, 2^{22224124424012} is an apocalyptic number.

It is an amenable number.

22224124424012 is an abundant number, since it is smaller than the sum of its proper divisors (23257804632244).

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

22224124424012 is a wasteful number, since it uses less digits than its factorization.

22224124424012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18458575157 (or 18458575155 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 22224124424012 its reverse (21042442142222), we get a palindrome (43266566566234).

The spelling of 22224124424012 in words is "twenty-two trillion, two hundred twenty-four billion, one hundred twenty-four million, four hundred twenty-four thousand, twelve".