442200203 has 4 divisors (see below), whose sum is σ = 442871880. Its totient is φ = 441528528.

The previous prime is 442200193. The next prime is 442200217. The reversal of 442200203 is 302002244.

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

It is a cyclic number.

It is not a de Polignac number, because 442200203 - 2¹² = 442196107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442200233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334850 + ... + 336167.

It is an arithmetic number, because the mean of its divisors is an integer number (110717970).

Almost surely, 2^442200203 is an apocalyptic number.

442200203 is a deficient number, since it is larger than the sum of its proper divisors (671677).

442200203 is an equidigital number, since it uses as much as digits as its factorization.

442200203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671676.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 442200203 is about 21028.5568453948. The cubic root of 442200203 is about 761.8561526517.

Adding to 442200203 its reverse (302002244), we get a palindrome (744202447).

The spelling of 442200203 in words is "four hundred forty-two million, two hundred thousand, two hundred three".