22736204818 has 8 divisors (see below), whose sum is σ = 34104947148. Its totient is φ = 11367889104.

The previous prime is 22736204801. The next prime is 22736204861. The reversal of 22736204818 is 81840263722.

It can be written as a sum of positive squares in 2 ways, for example, as 22536915129 + 199289689 = 150123^2 + 14117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 153480 + ... + 262732.

Almost surely, 2^22736204818 is an apocalyptic number.

22736204818 is a deficient number, since it is larger than the sum of its proper divisors (11368742330).

22736204818 is a wasteful number, since it uses less digits than its factorization.

22736204818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213308.

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 22736204818 in words is "twenty-two billion, seven hundred thirty-six million, two hundred four thousand, eight hundred eighteen".