422133618 has 16 divisors (see below), whose sum is σ = 852158880. Its totient is φ = 139395936.

The previous prime is 422133617. The next prime is 422133619. The reversal of 422133618 is 816331224.

It is an interprime number because it is at equal distance from previous prime (422133617) and next prime (422133619).

It is not an unprimeable number, because it can be changed into a prime (422133617) 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, 328123 + ... + 329406.

It is an arithmetic number, because the mean of its divisors is an integer number (53259930).

Almost surely, 2^422133618 is an apocalyptic number.

422133618 is an abundant number, since it is smaller than the sum of its proper divisors (430025262).

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

422133618 is a wasteful number, since it uses less digits than its factorization.

422133618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657641.

The product of its digits is 6912, while the sum is 30.

The square root of 422133618 is about 20545.8905380127. The cubic root of 422133618 is about 750.1532238056.

The spelling of 422133618 in words is "four hundred twenty-two million, one hundred thirty-three thousand, six hundred eighteen".