22143532105 has 4 divisors (see below), whose sum is σ = 26572238532. Its totient is φ = 17714825680.

The previous prime is 22143532079. The next prime is 22143532153. The reversal of 22143532105 is 50123534122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9340835904 + 12802696201 = 96648^2 + 113149^2 .

It is not a de Polignac number, because 22143532105 - 2¹⁵ = 22143499337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2214353206 + ... + 2214353215.

It is an arithmetic number, because the mean of its divisors is an integer number (6643059633).

Almost surely, 2^22143532105 is an apocalyptic number.

It is an amenable number.

22143532105 is a deficient number, since it is larger than the sum of its proper divisors (4428706427).

22143532105 is an equidigital number, since it uses as much as digits as its factorization.

22143532105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428706426.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 22143532105 in words is "twenty-two billion, one hundred forty-three million, five hundred thirty-two thousand, one hundred five".