442444246 has 4 divisors (see below), whose sum is σ = 663666372. Its totient is φ = 221222122.

The previous prime is 442444231. The next prime is 442444253. The reversal of 442444246 is 642444244.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110611060 + ... + 110611063.

It is an arithmetic number, because the mean of its divisors is an integer number (165916593).

Almost surely, 2^442444246 is an apocalyptic number.

442444246 is a deficient number, since it is larger than the sum of its proper divisors (221222126).

442444246 is a wasteful number, since it uses less digits than its factorization.

442444246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221222125.

The product of its digits is 98304, while the sum is 34.

The square root of 442444246 is about 21034.3587018953. The cubic root of 442444246 is about 761.9962788262.

The spelling of 442444246 in words is "four hundred forty-two million, four hundred forty-four thousand, two hundred forty-six".