442242204 has 48 divisors (see below), whose sum is σ = 1062706176. Its totient is φ = 143035200.

The previous prime is 442242197. The next prime is 442242209. The reversal of 442242204 is 402242244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442242209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190209 + ... + 192519.

It is an arithmetic number, because the mean of its divisors is an integer number (22139712).

Almost surely, 2^442242204 is an apocalyptic number.

It is an amenable number.

442242204 is an abundant number, since it is smaller than the sum of its proper divisors (620463972).

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

442242204 is a wasteful number, since it uses less digits than its factorization.

442242204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786 (or 2784 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 442242204 is about 21029.5554874562. Note that the first 3 decimals coincide. The cubic root of 442242204 is about 761.8802727275.

Adding to 442242204 its reverse (402242244), we get a palindrome (844484448).

The spelling of 442242204 in words is "four hundred forty-two million, two hundred forty-two thousand, two hundred four".