442883366 has 8 divisors (see below), whose sum is σ = 664715784. Its totient is φ = 221311440.

The previous prime is 442883347. The next prime is 442883381. The reversal of 442883366 is 663388244.

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

It is a super-2 number, since 2×442883366² = 392291351758979912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60815 + ... + 67706.

It is an arithmetic number, because the mean of its divisors is an integer number (83089473).

Almost surely, 2^442883366 is an apocalyptic number.

442883366 is a deficient number, since it is larger than the sum of its proper divisors (221832418).

442883366 is a wasteful number, since it uses less digits than its factorization.

442883366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130246.

The product of its digits is 663552, while the sum is 44.

The square root of 442883366 is about 21044.7942731688. The cubic root of 442883366 is about 762.2482858471.

The spelling of 442883366 in words is "four hundred forty-two million, eight hundred eighty-three thousand, three hundred sixty-six".