22047618505 has 8 divisors (see below), whose sum is σ = 28862337024. Its totient is φ = 16034631600.

The previous prime is 22047618479. The next prime is 22047618517. The reversal of 22047618505 is 50581674022.

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

It is not a de Polignac number, because 22047618505 - 2¹¹ = 22047616457 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 200432841 + ... + 200432950.

It is an arithmetic number, because the mean of its divisors is an integer number (3607792128).

Almost surely, 2^22047618505 is an apocalyptic number.

It is an amenable number.

22047618505 is a deficient number, since it is larger than the sum of its proper divisors (6814718519).

22047618505 is a wasteful number, since it uses less digits than its factorization.

22047618505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400865807.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 22047618505 in words is "twenty-two billion, forty-seven million, six hundred eighteen thousand, five hundred five".