2222018 has 8 divisors (see below), whose sum is σ = 3440640. Its totient is φ = 1075140.

The previous prime is 2221997. The next prime is 2222023. The reversal of 2222018 is 8102222.

2222018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 2221987 and 2222005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17858 + ... + 17981.

It is an arithmetic number, because the mean of its divisors is an integer number (430080).

2^2222018 is an apocalyptic number.

2222018 is a deficient number, since it is larger than the sum of its proper divisors (1218622).

2222018 is a wasteful number, since it uses less digits than its factorization.

2222018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35872.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2222018 is about 1490.6434852103. The cubic root of 2222018 is about 130.4915904017.

The spelling of 2222018 in words is "two million, two hundred twenty-two thousand, eighteen".