422303232 has 80 divisors (see below), whose sum is σ = 1211641200. Its totient is φ = 129933312.

The previous prime is 422303197. The next prime is 422303257. The reversal of 422303232 is 232303224.

It is a junction number, because it is equal to n+sod(n) for n = 422303199 and 422303208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9394 + ... + 30542.

It is an arithmetic number, because the mean of its divisors is an integer number (15145515).

Almost surely, 2^422303232 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 422303232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605820600).

422303232 is an abundant number, since it is smaller than the sum of its proper divisors (789337968).

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

422303232 is a wasteful number, since it uses less digits than its factorization.

422303232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21183 (or 21167 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 422303232 is about 20550.0178102113. The cubic root of 422303232 is about 750.2536812958.

Adding to 422303232 its reverse (232303224), we get a palindrome (654606456).

The spelling of 422303232 in words is "four hundred twenty-two million, three hundred three thousand, two hundred thirty-two".