22747544818 has 4 divisors (see below), whose sum is σ = 34121317230. Its totient is φ = 11373772408.

The previous prime is 22747544797. The next prime is 22747544843. The reversal of 22747544818 is 81844574722.

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

It can be written as a sum of positive squares in only one way, i.e., 22699339569 + 48205249 = 150663^2 + 6943^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5686886203 + ... + 5686886206.

Almost surely, 2^22747544818 is an apocalyptic number.

22747544818 is a deficient number, since it is larger than the sum of its proper divisors (11373772412).

22747544818 is a wasteful number, since it uses less digits than its factorization.

22747544818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11373772411.

The product of its digits is 4014080, while the sum is 52.

The spelling of 22747544818 in words is "twenty-two billion, seven hundred forty-seven million, five hundred forty-four thousand, eight hundred eighteen".