422879184 has 320 divisors, whose sum is σ = 1546567680. Its totient is φ = 107619840.

The previous prime is 422879183. The next prime is 422879201. The reversal of 422879184 is 481978224.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422879183) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1218499 + ... + 1218845.

It is an arithmetic number, because the mean of its divisors is an integer number (4833024).

Almost surely, 2^422879184 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 422879184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773283840).

422879184 is an abundant number, since it is smaller than the sum of its proper divisors (1123688496).

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

422879184 is a wasteful number, since it uses less digits than its factorization.

422879184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 403 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 422879184 is about 20564.0264539803. The cubic root of 422879184 is about 750.5946004758.

The spelling of 422879184 in words is "four hundred twenty-two million, eight hundred seventy-nine thousand, one hundred eighty-four".