22003440212 has 24 divisors (see below), whose sum is σ = 41500569600. Its totient is φ = 10147463136.

The previous prime is 22003440211. The next prime is 22003440223. The reversal of 22003440212 is 21204430022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22003440211) 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 7 ways as a sum of consecutive naturals, for example, 98912 + ... + 231927.

It is an arithmetic number, because the mean of its divisors is an integer number (1729190400).

Almost surely, 2^22003440212 is an apocalyptic number.

It is an amenable number.

22003440212 is a deficient number, since it is larger than the sum of its proper divisors (19497129388).

22003440212 is a wasteful number, since it uses less digits than its factorization.

22003440212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332135 (or 332133 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22003440212 its reverse (21204430022), we get a palindrome (43207870234).

The spelling of 22003440212 in words is "twenty-two billion, three million, four hundred forty thousand, two hundred twelve".