442227 has 4 divisors (see below), whose sum is σ = 589640. Its totient is φ = 294816.

The previous prime is 442217. The next prime is 442229. The reversal of 442227 is 722244.

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

It is not a de Polignac number, because 442227 - 2⁸ = 441971 is a prime.

It is a D-number.

It is a Duffinian number.

442227 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (442229) 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, 73702 + ... + 73707.

It is an arithmetic number, because the mean of its divisors is an integer number (147410).

2⁴⁴²²²⁷ is an apocalyptic number.

442227 is a deficient number, since it is larger than the sum of its proper divisors (147413).

442227 is a wasteful number, since it uses less digits than its factorization.

442227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147412.

The product of its digits is 896, while the sum is 21.

The square root of 442227 is about 665.0015037577. The cubic root of 442227 is about 76.1871541644.

The spelling of 442227 in words is "four hundred forty-two thousand, two hundred twenty-seven", and thus it is an iban number.