442344230 has 32 divisors (see below), whose sum is σ = 813201984. Its totient is φ = 173200896.

The previous prime is 442344229. The next prime is 442344247. The reversal of 442344230 is 32443244.

It is a self number, because there is not a number n which added to its sum of digits gives 442344230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97799 + ... + 102221.

It is an arithmetic number, because the mean of its divisors is an integer number (25412562).

Almost surely, 2^442344230 is an apocalyptic number.

442344230 is a deficient number, since it is larger than the sum of its proper divisors (370857754).

442344230 is a wasteful number, since it uses less digits than its factorization.

442344230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4640.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 442344230 is about 21031.9811239931. The cubic root of 442344230 is about 761.9388572310.

Adding to 442344230 its reverse (32443244), we get a palindrome (474787474).

The spelling of 442344230 in words is "four hundred forty-two million, three hundred forty-four thousand, two hundred thirty".