42234500 has 96 divisors (see below), whose sum is σ = 115105536. Its totient is φ = 13152000.

The previous prime is 42234499. The next prime is 42234503. The reversal of 42234500 is 543224.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (42234503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37952 + ... + 39048.

It is an arithmetic number, because the mean of its divisors is an integer number (1199016).

Almost surely, 2^42234500 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 42234500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57552768).

42234500 is an abundant number, since it is smaller than the sum of its proper divisors (72871036).

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

42234500 is a wasteful number, since it uses less digits than its factorization.

42234500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 42234500 is about 6498.8075829340. The cubic root of 42234500 is about 348.2483913872.

Adding to 42234500 its reverse (543224), we get a palindrome (42777724).

The spelling of 42234500 in words is "forty-two million, two hundred thirty-four thousand, five hundred".