442342230 has 64 divisors (see below), whose sum is σ = 1219104000. Its totient is φ = 101589120.

The previous prime is 442342217. The next prime is 442342231. The reversal of 442342230 is 32243244.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 442342230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442342231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29005 + ... + 41544.

It is an arithmetic number, because the mean of its divisors is an integer number (19048500).

Almost surely, 2^442342230 is an apocalyptic number.

442342230 is an abundant number, since it is smaller than the sum of its proper divisors (776761770).

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

442342230 is a wasteful number, since it uses less digits than its factorization.

442342230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70589.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 442342230 is about 21031.9335773010. The cubic root of 442342230 is about 761.9377088946.

Adding to 442342230 its reverse (32243244), we get a palindrome (474585474).

It can be divided in two parts, 44234 and 2230, that added together give a palindrome (46464).

The spelling of 442342230 in words is "four hundred forty-two million, three hundred forty-two thousand, two hundred thirty".