422118468 has 72 divisors (see below), whose sum is σ = 1094550912. Its totient is φ = 137103552.

The previous prime is 422118467. The next prime is 422118469. The reversal of 422118468 is 864811224.

It is an interprime number because it is at equal distance from previous prime (422118467) and next prime (422118469).

It is a super-3 number, since 3×422118468³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (422118467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 535971 + ... + 536757.

It is an arithmetic number, because the mean of its divisors is an integer number (15202096).

Almost surely, 2^422118468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422118468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547275456).

422118468 is an abundant number, since it is smaller than the sum of its proper divisors (672432444).

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

422118468 is a wasteful number, since it uses less digits than its factorization.

422118468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1156 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 422118468 is about 20545.5218478383. The cubic root of 422118468 is about 750.1442495876.

The spelling of 422118468 in words is "four hundred twenty-two million, one hundred eighteen thousand, four hundred sixty-eight".