22106643043 has 4 divisors (see below), whose sum is σ = 22704119920. Its totient is φ = 21509166168.

The previous prime is 22106643019. The next prime is 22106643047. The reversal of 22106643043 is 34034660122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22106643043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22106642996 and 22106643014.

It is not an unprimeable number, because it can be changed into a prime (22106643047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298738383 + ... + 298738456.

It is an arithmetic number, because the mean of its divisors is an integer number (5676029980).

Almost surely, 2^22106643043 is an apocalyptic number.

22106643043 is a deficient number, since it is larger than the sum of its proper divisors (597476877).

22106643043 is an equidigital number, since it uses as much as digits as its factorization.

22106643043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597476876.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 22106643043 in words is "twenty-two billion, one hundred six million, six hundred forty-three thousand, forty-three".