422011424 has 48 divisors (see below), whose sum is σ = 853221600. Its totient is φ = 205392384.

The previous prime is 422011423. The next prime is 422011427. The reversal of 422011424 is 424110224.

It is a junction number, because it is equal to n+sod(n) for n = 422011396 and 422011405.

It is not an unprimeable number, because it can be changed into a prime (422011423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200972 + ... + 203060.

It is an arithmetic number, because the mean of its divisors is an integer number (17775450).

Almost surely, 2^422011424 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 422011424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426610800).

422011424 is an abundant number, since it is smaller than the sum of its proper divisors (431210176).

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

422011424 is a wasteful number, since it uses less digits than its factorization.

422011424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 422011424 is about 20542.9166381018. The cubic root of 422011424 is about 750.0808351391.

Adding to 422011424 its reverse (424110224), we get a palindrome (846121648).

The spelling of 422011424 in words is "four hundred twenty-two million, eleven thousand, four hundred twenty-four".