422118018 has 24 divisors (see below), whose sum is σ = 1045244928. Its totient is φ = 120605112.

The previous prime is 422118017. The next prime is 422118019. The reversal of 422118018 is 810811224.

It is an interprime number because it is at equal distance from previous prime (422118017) and next prime (422118019).

It is a super-2 number, since 2×422118018² = 356367242240496648, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 422117982 and 422118000.

It is not an unprimeable number, because it can be changed into a prime (422118017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1674946 + ... + 1675197.

It is an arithmetic number, because the mean of its divisors is an integer number (43551872).

Almost surely, 2^422118018 is an apocalyptic number.

422118018 is an abundant number, since it is smaller than the sum of its proper divisors (623126910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422118018 is a wasteful number, since it uses less digits than its factorization.

422118018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350158 (or 3350155 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 422118018 is about 20545.5108965438. The cubic root of 422118018 is about 750.1439830234.

The spelling of 422118018 in words is "four hundred twenty-two million, one hundred eighteen thousand, eighteen".