442532216 has 32 divisors (see below), whose sum is σ = 951920640. Its totient is φ = 188929248.

The previous prime is 442532201. The next prime is 442532243. The reversal of 442532216 is 612235244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296 + ... + 29751.

It is an arithmetic number, because the mean of its divisors is an integer number (29747520).

Almost surely, 2^442532216 is an apocalyptic number.

It is an amenable number.

442532216 is an abundant number, since it is smaller than the sum of its proper divisors (509388424).

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

442532216 is a wasteful number, since it uses less digits than its factorization.

442532216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30323 (or 30319 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 442532216 is about 21036.4497004604. The cubic root of 442532216 is about 762.0467773701.

The spelling of 442532216 in words is "four hundred forty-two million, five hundred thirty-two thousand, two hundred sixteen".