2018422 has 8 divisors (see below), whose sum is σ = 3460176. Its totient is φ = 865032.

The previous prime is 2018413. The next prime is 2018437. The reversal of 2018422 is 2248102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2018422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72073 + ... + 72100.

It is an arithmetic number, because the mean of its divisors is an integer number (432522).

2^2018422 is an apocalyptic number.

2018422 is a deficient number, since it is larger than the sum of its proper divisors (1441754).

2018422 is a wasteful number, since it uses less digits than its factorization.

2018422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144182.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2018422 is about 1420.7117934331. The cubic root of 2018422 is about 126.3777610691.

The spelling of 2018422 in words is "two million, eighteen thousand, four hundred twenty-two".