442193 has 2 divisors, whose sum is σ = 442194.
Its totient is φ = 442192.
The previous prime is 442181. The next prime is 442201. The reversal of 442193 is 391244.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 380689 + 61504 = 617^2 + 248^2
It is a cyclic number.
It is not a de Polignac number, because 442193 - 24 = 442177 is a prime.
It is not a weakly prime, because it can be changed into another prime (441193) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221096 + 221097.
It is an arithmetic number, because the mean of its divisors is an integer number (221097).
2442193 is an apocalyptic number.
It is an amenable number.
442193 is a deficient number, since it is larger than the sum of its proper divisors (1).
442193 is an equidigital number, since it uses as much as digits as its factorization.
442193 is an evil number, because the sum of its binary digits is even.
The product of its digits is 864, while the sum is 23.
The square root of 442193 is about 664.9759394144.
The cubic root of 442193 is about 76.1852016004.
The spelling of 442193 in words is "four hundred forty-two thousand, one hundred ninety-three".