22543000105 has 8 divisors (see below), whose sum is σ = 27136938312. Its totient is φ = 17977507968.

The previous prime is 22543000087. The next prime is 22543000159. The reversal of 22543000105 is 50100034522.

It can be written as a sum of positive squares in 4 ways, for example, as 1177038864 + 21365961241 = 34308^2 + 146171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22543000105 - 2¹⁹ = 22542475817 is a prime.

It is a super-2 number, since 2×22543000105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7109772 + ... + 7112941.

It is an arithmetic number, because the mean of its divisors is an integer number (3392117289).

Almost surely, 2^22543000105 is an apocalyptic number.

It is an amenable number.

22543000105 is a deficient number, since it is larger than the sum of its proper divisors (4593938207).

22543000105 is a wasteful number, since it uses less digits than its factorization.

22543000105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14223035.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 22543000105 its reverse (50100034522), we get a palindrome (72643034627).

The spelling of 22543000105 in words is "twenty-two billion, five hundred forty-three million, one hundred five", and thus it is an aban number.