22518106550 has 48 divisors (see below), whose sum is σ = 43198788672. Its totient is φ = 8728224000.

The previous prime is 22518106531. The next prime is 22518106573. The reversal of 22518106550 is 5560181522.

It is a self number, because there is not a number n which added to its sum of digits gives 22518106550.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 189914 + ... + 284786.

It is an arithmetic number, because the mean of its divisors is an integer number (899974764).

Almost surely, 2^22518106550 is an apocalyptic number.

22518106550 is a deficient number, since it is larger than the sum of its proper divisors (20680682122).

22518106550 is a wasteful number, since it uses less digits than its factorization.

22518106550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95033 (or 95028 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The spelling of 22518106550 in words is "twenty-two billion, five hundred eighteen million, one hundred six thousand, five hundred fifty".