442271 has 2 divisors, whose sum is σ = 442272. Its totient is φ = 442270.

The previous prime is 442243. The next prime is 442283. The reversal of 442271 is 172244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442271 - 2⁶ = 442207 is a prime.

It is a pancake number, because a pancake can be divided into 442271 parts by 940 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221135 + 221136.

It is an arithmetic number, because the mean of its divisors is an integer number (221136).

2⁴⁴²²⁷¹ is an apocalyptic number.

442271 is a deficient number, since it is larger than the sum of its proper divisors (1).

442271 is an equidigital number, since it uses as much as digits as its factorization.

442271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 20.

The square root of 442271 is about 665.0345855668. The cubic root of 442271 is about 76.1896808635.

The spelling of 442271 in words is "four hundred forty-two thousand, two hundred seventy-one", and thus it is an iban number.