442204313 has 4 divisors (see below), whose sum is σ = 442427088. Its totient is φ = 441981540.

The previous prime is 442204297. The next prime is 442204327. The reversal of 442204313 is 313402244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442204313 - 2⁴ = 442204297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442204333) 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 3 ways as a sum of consecutive naturals, for example, 108383 + ... + 112388.

It is an arithmetic number, because the mean of its divisors is an integer number (110606772).

Almost surely, 2^442204313 is an apocalyptic number.

It is an amenable number.

442204313 is a deficient number, since it is larger than the sum of its proper divisors (222775).

442204313 is a wasteful number, since it uses less digits than its factorization.

442204313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222774.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 442204313 is about 21028.6545694203. The cubic root of 442204313 is about 761.8585129846.

Adding to 442204313 its reverse (313402244), we get a palindrome (755606557).

The spelling of 442204313 in words is "four hundred forty-two million, two hundred four thousand, three hundred thirteen".