22344430212 has 72 divisors (see below), whose sum is σ = 61051303040. Its totient is φ = 6849800640.

The previous prime is 22344430211. The next prime is 22344430237. The reversal of 22344430212 is 21203444322.

22344430212 is a `hidden beast` number, since 2 + 2 + 3 + 4 + 443 + 0 + 212 = 666.

It is a super-2 number, since 2×22344430212² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22344430211) 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 23 ways as a sum of consecutive naturals, for example, 38739 + ... + 214917.

Almost surely, 2^22344430212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22344430212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30525651520).

22344430212 is an abundant number, since it is smaller than the sum of its proper divisors (38706872828).

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

22344430212 is a wasteful number, since it uses less digits than its factorization.

22344430212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176473 (or 176468 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22344430212 its reverse (21203444322), we get a palindrome (43547874534).

The spelling of 22344430212 in words is "twenty-two billion, three hundred forty-four million, four hundred thirty thousand, two hundred twelve".