918718022244 has 96 divisors (see below), whose sum is σ = 2344262215680.
Its totient is φ = 277720617600.
The previous prime is 918718022231. The next prime is 918718022279. The reversal of 918718022244 is 442220817819.
It is a junction number, because it is equal to n+sod(n) for n = 918718022193 and 918718022202.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181598187 + ... + 181603245.
It is an arithmetic number, because the mean of its divisors is an integer number (24419398080).
Almost surely, 2918718022244 is an apocalyptic number.
It is an amenable number.
918718022244 is an abundant number, since it is smaller than the sum of its proper divisors (1425544193436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
918718022244 is a wasteful number, since it uses less digits than its factorization.
918718022244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8161 (or 8159 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 48.
The spelling of 918718022244 in words is "nine hundred eighteen billion, seven hundred eighteen million, twenty-two thousand, two hundred forty-four".