442299999 has 16 divisors (see below), whose sum is σ = 636208992. Its totient is φ = 272283648.

The previous prime is 442299973. The next prime is 442300003. The reversal of 442299999 is 999992244.

It is not a de Polignac number, because 442299999 - 2¹¹ = 442297951 is a prime.

442299999 is a modest number, since divided by 99999 gives 4422 as remainder.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442299799) 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, 79114 + ... + 84519.

It is an arithmetic number, because the mean of its divisors is an integer number (39763062).

Almost surely, 2^442299999 is an apocalyptic number.

442299999 is a deficient number, since it is larger than the sum of its proper divisors (193908993).

442299999 is a wasteful number, since it uses less digits than its factorization.

442299999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163706.

The product of its digits is 3779136, while the sum is 57.

The square root of 442299999 is about 21030.9295800257. The cubic root of 442299999 is about 761.9134603880.

The spelling of 442299999 in words is "four hundred forty-two million, two hundred ninety-nine thousand, nine hundred ninety-nine".