422512320 has 112 divisors (see below), whose sum is σ = 1360078560. Its totient is φ = 111108096.

The previous prime is 422512301. The next prime is 422512327. The reversal of 422512320 is 23215224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422512327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67066 + ... + 73094.

Almost surely, 2^422512320 is an apocalyptic number.

422512320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422512320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680039280).

422512320 is an abundant number, since it is smaller than the sum of its proper divisors (937566240).

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

422512320 is a wasteful number, since it uses less digits than its factorization.

422512320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6122 (or 6112 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 422512320 is about 20555.1044755311. The cubic root of 422512320 is about 750.3774810899.

Adding to 422512320 its reverse (23215224), we get a palindrome (445727544).

The spelling of 422512320 in words is "four hundred twenty-two million, five hundred twelve thousand, three hundred twenty".