22105792729 has 8 divisors (see below), whose sum is σ = 23603355072. Its totient is φ = 20652933840.

The previous prime is 22105792711. The next prime is 22105792739. The reversal of 22105792729 is 92729750122.

It is a happy number.

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 22105792729 - 2¹⁹ = 22105268441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22105792739) 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 7 ways as a sum of consecutive naturals, for example, 11174842 + ... + 11176819.

It is an arithmetic number, because the mean of its divisors is an integer number (2950419384).

Almost surely, 2^22105792729 is an apocalyptic number.

It is an amenable number.

22105792729 is a deficient number, since it is larger than the sum of its proper divisors (1497562343).

22105792729 is a wasteful number, since it uses less digits than its factorization.

22105792729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22351727.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 22105792729 in words is "twenty-two billion, one hundred five million, seven hundred ninety-two thousand, seven hundred twenty-nine".