22043361412 has 12 divisors (see below), whose sum is σ = 38613672076. Its totient is φ = 11010883680.

The previous prime is 22043361397. The next prime is 22043361451. The reversal of 22043361412 is 21416334022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17951712256 + 4091649156 = 133984^2 + 63966^2 .

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, 2694663 + ... + 2702830.

Almost surely, 2^22043361412 is an apocalyptic number.

It is an amenable number.

22043361412 is a deficient number, since it is larger than the sum of its proper divisors (16570310664).

22043361412 is a wasteful number, since it uses less digits than its factorization.

22043361412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5398518 (or 5398516 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 22043361412 its reverse (21416334022), we get a palindrome (43459695434).

The spelling of 22043361412 in words is "twenty-two billion, forty-three million, three hundred sixty-one thousand, four hundred twelve".