442003319 has 4 divisors (see below), whose sum is σ = 442140600. Its totient is φ = 441866040.

The previous prime is 442003273. The next prime is 442003357. The reversal of 442003319 is 913300244.

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 442003319 - 2²⁰ = 440954743 is a prime.

It is a super-2 number, since 2×442003319² = 390733868014031522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442003379) 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, 63692 + ... + 70289.

It is an arithmetic number, because the mean of its divisors is an integer number (110535150).

Almost surely, 2^442003319 is an apocalyptic number.

442003319 is a deficient number, since it is larger than the sum of its proper divisors (137281).

442003319 is a wasteful number, since it uses less digits than its factorization.

442003319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137280.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 442003319 is about 21023.8749758459. The cubic root of 442003319 is about 761.7430669553.

The spelling of 442003319 in words is "four hundred forty-two million, three thousand, three hundred nineteen".