442237 has 2 divisors, whose sum is σ = 442238. Its totient is φ = 442236.

The previous prime is 442229. The next prime is 442243. The reversal of 442237 is 732244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352836 + 89401 = 594^2 + 299^2 .

It is a cyclic number.

It is not a de Polignac number, because 442237 - 2³ = 442229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221118 + 221119.

It is an arithmetic number, because the mean of its divisors is an integer number (221119).

2⁴⁴²²³⁷ is an apocalyptic number.

It is an amenable number.

442237 is a deficient number, since it is larger than the sum of its proper divisors (1).

442237 is an equidigital number, since it uses as much as digits as its factorization.

442237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 22.

The square root of 442237 is about 665.0090224952. The cubic root of 442237 is about 76.1877284289.

The spelling of 442237 in words is "four hundred forty-two thousand, two hundred thirty-seven".