2204855018 has 16 divisors (see below), whose sum is σ = 3502699200. Its totient is φ = 1037320896.

The previous prime is 2204854999. The next prime is 2204855047. The reversal of 2204855018 is 8105584022.

It is a happy number.

It is a super-2 number, since 2×2204855018² = 9722771300799560648, which contains 22 as substring.

It is a Curzon 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, 257555 + ... + 265977.

It is an arithmetic number, because the mean of its divisors is an integer number (218918700).

Almost surely, 2^2204855018 is an apocalyptic number.

2204855018 is a deficient number, since it is larger than the sum of its proper divisors (1297844182).

2204855018 is a wasteful number, since it uses less digits than its factorization.

2204855018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16141.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 2204855018 is about 46955.8837420828. The cubic root of 2204855018 is about 1301.5474704343.

The spelling of 2204855018 in words is "two billion, two hundred four million, eight hundred fifty-five thousand, eighteen".