222440498018 has 6 divisors (see below), whose sum is σ = 333661747521. Its totient is φ = 111219915512.

The previous prime is 222440498003. The next prime is 222440498051. The reversal of 222440498018 is 810894044222.

222440498018 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 199981579249 + 22458918769 = 447193^2 + 149863^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333497.

It is a super-3 number, since 3×222440498018³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222440498018.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 500246 + ... + 833742.

Almost surely, 2^222440498018 is an apocalyptic number.

222440498018 is a deficient number, since it is larger than the sum of its proper divisors (111221249503).

222440498018 is an frugal number, since it uses more digits than its factorization.

222440498018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666996 (or 333499 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 222440498018 in words is "two hundred twenty-two billion, four hundred forty million, four hundred ninety-eight thousand, eighteen".