422230340 has 48 divisors (see below), whose sum is σ = 1017028992. Its totient is φ = 144239616.

The previous prime is 422230339. The next prime is 422230351. The reversal of 422230340 is 43032224.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34292 + ... + 44948.

It is an arithmetic number, because the mean of its divisors is an integer number (21188104).

Almost surely, 2^422230340 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 422230340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508514496).

422230340 is an abundant number, since it is smaller than the sum of its proper divisors (594798652).

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

422230340 is a wasteful number, since it uses less digits than its factorization.

422230340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10956 (or 10954 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 422230340 is about 20548.2442072309. The cubic root of 422230340 is about 750.2105127588.

Adding to 422230340 its reverse (43032224), we get a palindrome (465262564).

The spelling of 422230340 in words is "four hundred twenty-two million, two hundred thirty thousand, three hundred forty".