442287230 has 96 divisors (see below), whose sum is σ = 1043269632. Its totient is φ = 133358400.

The previous prime is 442287227. The next prime is 442287239. The reversal of 442287230 is 32782244.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442287239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 165767 + ... + 168413.

It is an arithmetic number, because the mean of its divisors is an integer number (10867392).

Almost surely, 2^442287230 is an apocalyptic number.

442287230 is an abundant number, since it is smaller than the sum of its proper divisors (600982402).

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

442287230 is a wasteful number, since it uses less digits than its factorization.

442287230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 442287230 is about 21030.6260011441. The cubic root of 442287230 is about 761.9061282856.

The spelling of 442287230 in words is "four hundred forty-two million, two hundred eighty-seven thousand, two hundred thirty".