22633664805 has 54 divisors (see below), whose sum is σ = 40285542258. Its totient is φ = 11755336320.

The previous prime is 22633664803. The next prime is 22633664813. The reversal of 22633664805 is 50846633622.

It is a happy number.

22633664805 is a `hidden beast` number, since 2 + 2 + 633 + 6 + 6 + 4 + 8 + 0 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1303354404 + 21330310401 = 36102^2 + 146049^2 .

It is not a de Polignac number, because 22633664805 - 2¹ = 22633664803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22633664803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 41377542 + ... + 41378088.

Almost surely, 2^22633664805 is an apocalyptic number.

It is an amenable number.

22633664805 is a deficient number, since it is larger than the sum of its proper divisors (17651877453).

22633664805 is an frugal number, since it uses more digits than its factorization.

22633664805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

Multiplying 22633664805 by its sum of digits (45), we get a square (1018514916225 = 1009215²).

22633664805 divided by its sum of digits (45) gives a square (502970329 = 22427²).

The spelling of 22633664805 in words is "twenty-two billion, six hundred thirty-three million, six hundred sixty-four thousand, eight hundred five".