22779766105 has 16 divisors (see below), whose sum is σ = 27581564304. Its totient is φ = 18060364800.

The previous prime is 22779766073. The next prime is 22779766109. The reversal of 22779766105 is 50166797722.

It can be written as a sum of positive squares in 8 ways, for example, as 6843456 + 22772922649 = 2616^2 + 150907^2 .

It is not a de Polignac number, because 22779766105 - 2⁵ = 22779766073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22779766109) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 384019 + ... + 439351.

It is an arithmetic number, because the mean of its divisors is an integer number (1723847769).

Almost surely, 2^22779766105 is an apocalyptic number.

It is an amenable number.

22779766105 is a deficient number, since it is larger than the sum of its proper divisors (4801798199).

22779766105 is a wasteful number, since it uses less digits than its factorization.

22779766105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56076.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 22779766105 in words is "twenty-two billion, seven hundred seventy-nine million, seven hundred sixty-six thousand, one hundred five".