442079303 has 4 divisors (see below), whose sum is σ = 442234800. Its totient is φ = 441923808.

The previous prime is 442079291. The next prime is 442079317. The reversal of 442079303 is 303970244.

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 442079303 - 2⁸ = 442079047 is a prime.

It is a super-2 number, since 2×442079303² = 390868220281931618, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442079303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442079503) 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, 73403 + ... + 79196.

It is an arithmetic number, because the mean of its divisors is an integer number (110558700).

Almost surely, 2^442079303 is an apocalyptic number.

442079303 is a deficient number, since it is larger than the sum of its proper divisors (155497).

442079303 is a wasteful number, since it uses less digits than its factorization.

442079303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155496.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 442079303 is about 21025.6819865611. The cubic root of 442079303 is about 761.7867144170.

The spelling of 442079303 in words is "four hundred forty-two million, seventy-nine thousand, three hundred three".