442412002 has 4 divisors (see below), whose sum is σ = 663618006. Its totient is φ = 221206000.

The previous prime is 442411999. The next prime is 442412011. The reversal of 442412002 is 200214244.

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

It can be written as a sum of positive squares in only one way, i.e., 436016161 + 6395841 = 20881^2 + 2529^2 .

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, 110602999 + ... + 110603002.

Almost surely, 2^442412002 is an apocalyptic number.

442412002 is a deficient number, since it is larger than the sum of its proper divisors (221206004).

442412002 is a wasteful number, since it uses less digits than its factorization.

442412002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221206003.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 442412002 is about 21033.5922276724. The cubic root of 442412002 is about 761.9777677143.

Adding to 442412002 its reverse (200214244), we get a palindrome (642626246).

The spelling of 442412002 in words is "four hundred forty-two million, four hundred twelve thousand, two".