442505230 has 8 divisors (see below), whose sum is σ = 796509432. Its totient is φ = 177002088.

The previous prime is 442505213. The next prime is 442505233. The reversal of 442505230 is 32505244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 442505195 and 442505204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442505233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22125252 + ... + 22125271.

It is an arithmetic number, because the mean of its divisors is an integer number (99563679).

Almost surely, 2^442505230 is an apocalyptic number.

442505230 is a deficient number, since it is larger than the sum of its proper divisors (354004202).

442505230 is a wasteful number, since it uses less digits than its factorization.

442505230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44250530.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 442505230 is about 21035.8082801684. The cubic root of 442505230 is about 762.0312869631.

The spelling of 442505230 in words is "four hundred forty-two million, five hundred five thousand, two hundred thirty".