22118015899 has 8 divisors (see below), whose sum is σ = 25344431360. Its totient is φ = 18908275176.

The previous prime is 22118015891. The next prime is 22118015981. The reversal of 22118015899 is 99851081122.

It is a happy number.

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

It is not a de Polignac number, because 22118015899 - 2³ = 22118015891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22118015891) by changing a digit.

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, 4165839 + ... + 4171144.

It is an arithmetic number, because the mean of its divisors is an integer number (3168053920).

Almost surely, 2^22118015899 is an apocalyptic number.

22118015899 is a deficient number, since it is larger than the sum of its proper divisors (3226415461).

22118015899 is an equidigital number, since it uses as much as digits as its factorization.

22118015899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8337369.

The product of its (nonzero) digits is 103680, while the sum is 46.

The spelling of 22118015899 in words is "twenty-two billion, one hundred eighteen million, fifteen thousand, eight hundred ninety-nine".