422532 has 54 divisors (see below), whose sum is σ = 1186094. Its totient is φ = 126720.
The previous prime is 422479. The next prime is 422537. The reversal of 422532 is 235224.
It can be written as a sum of positive squares in only one way, i.e., 352836 + 69696 = 594^2 + 264^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (422537) by changing a digit.
422532 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4308 + ... + 4404.
2422532 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 422532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593047).
422532 is an abundant number, since it is smaller than the sum of its proper divisors (763562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
422532 is a wasteful number, since it uses less digits than its factorization.
422532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129 (or 113 counting only the distinct ones).
The product of its digits is 480, while the sum is 18.
The square root of 422532 is about 650.0246149185. The cubic root of 422532 is about 75.0389131401.
Adding to 422532 its reverse (235224), we get a palindrome (657756).
The spelling of 422532 in words is "four hundred twenty-two thousand, five hundred thirty-two".
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