22043312224 has 24 divisors (see below), whose sum is σ = 44407024200. Its totient is φ = 10765337856.

The previous prime is 22043312209. The next prime is 22043312237. The reversal of 22043312224 is 42221334022.

It is a super-2 number, since 2×22043312224² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8008549 + ... + 8011300.

It is an arithmetic number, because the mean of its divisors is an integer number (1850292675).

Almost surely, 2^22043312224 is an apocalyptic number.

It is an amenable number.

22043312224 is an abundant number, since it is smaller than the sum of its proper divisors (22363711976).

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

22043312224 is a wasteful number, since it uses less digits than its factorization.

22043312224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16019902 (or 16019894 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22043312224 its reverse (42221334022), we get a palindrome (64264646246).

The spelling of 22043312224 in words is "twenty-two billion, forty-three million, three hundred twelve thousand, two hundred twenty-four".