42223230 has 48 divisors (see below), whose sum is σ = 125465184. Its totient is φ = 9650880.

The previous prime is 42223229. The next prime is 42223231. The reversal of 42223230 is 3232224.

It is an interprime number because it is at equal distance from previous prime (42223229) and next prime (42223231).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42223231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32881 + ... + 34140.

It is an arithmetic number, because the mean of its divisors is an integer number (2613858).

Almost surely, 2^42223230 is an apocalyptic number.

42223230 is an abundant number, since it is smaller than the sum of its proper divisors (83241954).

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

42223230 is a wasteful number, since it uses less digits than its factorization.

42223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67041 (or 67038 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42223230 is about 6497.9404429404. The cubic root of 42223230 is about 348.2174126966.

Adding to 42223230 its reverse (3232224), we get a palindrome (45455454).

The spelling of 42223230 in words is "forty-two million, two hundred twenty-three thousand, two hundred thirty".