442283 has 2 divisors, whose sum is σ = 442284. Its totient is φ = 442282.

The previous prime is 442271. The next prime is 442291. The reversal of 442283 is 382244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442283 - 2⁸ = 442027 is a prime.

It is a super-2 number, since 2×442283² = 391228504178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (442243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221141 + 221142.

It is an arithmetic number, because the mean of its divisors is an integer number (221142).

2⁴⁴²²⁸³ is an apocalyptic number.

442283 is a deficient number, since it is larger than the sum of its proper divisors (1).

442283 is an equidigital number, since it uses as much as digits as its factorization.

442283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 23.

The square root of 442283 is about 665.0436075928. The cubic root of 442283 is about 76.1903699341.

The spelling of 442283 in words is "four hundred forty-two thousand, two hundred eighty-three".