442248286 has 8 divisors (see below), whose sum is σ = 677486880. Its totient is φ = 216419328.

The previous prime is 442248281. The next prime is 442248293. The reversal of 442248286 is 682842244.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442248281) 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, 2352291 + ... + 2352478.

It is an arithmetic number, because the mean of its divisors is an integer number (84685860).

Almost surely, 2^442248286 is an apocalyptic number.

442248286 is a deficient number, since it is larger than the sum of its proper divisors (235238594).

442248286 is a wasteful number, since it uses less digits than its factorization.

442248286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704818.

The product of its digits is 196608, while the sum is 40.

The square root of 442248286 is about 21029.7000929638. The cubic root of 442248286 is about 761.8837653345.

The spelling of 442248286 in words is "four hundred forty-two million, two hundred forty-eight thousand, two hundred eighty-six".