422088618 has 16 divisors (see below), whose sum is σ = 964774080. Its totient is φ = 120596736.

The previous prime is 422088607. The next prime is 422088619. The reversal of 422088618 is 816880224.

It is not an unprimeable number, because it can be changed into a prime (422088619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5024823 + ... + 5024906.

It is an arithmetic number, because the mean of its divisors is an integer number (60298380).

Almost surely, 2^422088618 is an apocalyptic number.

422088618 is an abundant number, since it is smaller than the sum of its proper divisors (542685462).

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

422088618 is a wasteful number, since it uses less digits than its factorization.

422088618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10049741.

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 422088618 is about 20544.7953993219. The cubic root of 422088618 is about 750.1265670843.

It can be divided in two parts, 42 and 2088618, that multiplied together give a square (87721956 = 9366²).

The spelling of 422088618 in words is "four hundred twenty-two million, eighty-eight thousand, six hundred eighteen".