442265 has 8 divisors (see below), whose sum is σ = 534600. Its totient is φ = 351232.

The previous prime is 442243. The next prime is 442271. The reversal of 442265 is 562244.

It can be written as a sum of positive squares in 4 ways, for example, as 183184 + 259081 = 428^2 + 509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442265 - 2⁶ = 442201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442265.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 761 + ... + 1209.

It is an arithmetic number, because the mean of its divisors is an integer number (66825).

2⁴⁴²²⁶⁵ is an apocalyptic number.

It is an amenable number.

442265 is a deficient number, since it is larger than the sum of its proper divisors (92335).

442265 is a wasteful number, since it uses less digits than its factorization.

442265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651.

The product of its digits is 1920, while the sum is 23.

The square root of 442265 is about 665.0300745079. The cubic root of 442265 is about 76.1893363235.

It can be divided in two parts, 442 and 265, that added together give a palindrome (707).

The spelling of 442265 in words is "four hundred forty-two thousand, two hundred sixty-five".