42532230 has 48 divisors (see below), whose sum is σ = 110546640. Its totient is φ = 10468224.

The previous prime is 42532219. The next prime is 42532247. The reversal of 42532230 is 3223524.

42532230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42532197 and 42532206.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 876 + ... + 9264.

It is an arithmetic number, because the mean of its divisors is an integer number (2303055).

Almost surely, 2^42532230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42532230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55273320).

42532230 is an abundant number, since it is smaller than the sum of its proper divisors (68014410).

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

42532230 is a wasteful number, since it uses less digits than its factorization.

42532230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8425 (or 8412 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 42532230 is about 6521.6738648908. The cubic root of 42532230 is about 349.0647958662.

Adding to 42532230 its reverse (3223524), we get a palindrome (45755754).

The spelling of 42532230 in words is "forty-two million, five hundred thirty-two thousand, two hundred thirty".