422531352 has 48 divisors (see below), whose sum is σ = 1145898000. Its totient is φ = 140654016.

The previous prime is 422531341. The next prime is 422531357. The reversal of 422531352 is 253135224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422531357) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 56149 + ... + 63227.

It is an arithmetic number, because the mean of its divisors is an integer number (23872875).

Almost surely, 2^422531352 is an apocalyptic number.

It is an amenable number.

422531352 is an abundant number, since it is smaller than the sum of its proper divisors (723366648).

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

422531352 is a wasteful number, since it uses less digits than its factorization.

422531352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7920 (or 7913 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 422531352 is about 20555.5674210176. The cubic root of 422531352 is about 750.3887477987.

Adding to 422531352 its reverse (253135224), we get a palindrome (675666576).

The spelling of 422531352 in words is "four hundred twenty-two million, five hundred thirty-one thousand, three hundred fifty-two".