442296285 has 16 divisors (see below), whose sum is σ = 709365120. Its totient is φ = 235327680.

The previous prime is 442296277. The next prime is 442296287. The reversal of 442296285 is 582692244.

It is not a de Polignac number, because 442296285 - 2³ = 442296277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442296287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28705 + ... + 41334.

It is an arithmetic number, because the mean of its divisors is an integer number (44335320).

Almost surely, 2^442296285 is an apocalyptic number.

It is an amenable number.

442296285 is a deficient number, since it is larger than the sum of its proper divisors (267068835).

442296285 is a wasteful number, since it uses less digits than its factorization.

442296285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70468.

The product of its digits is 276480, while the sum is 42.

The square root of 442296285 is about 21030.8412813183. The cubic root of 442296285 is about 761.9113277823.

The spelling of 442296285 in words is "four hundred forty-two million, two hundred ninety-six thousand, two hundred eighty-five".