442199 has 4 divisors (see below), whose sum is σ = 444360. Its totient is φ = 440040.

The previous prime is 442193. The next prime is 442201. The reversal of 442199 is 991244.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442193) 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, 737 + ... + 1194.

It is an arithmetic number, because the mean of its divisors is an integer number (111090).

2⁴⁴²¹⁹⁹ is an apocalyptic number.

442199 is a deficient number, since it is larger than the sum of its proper divisors (2161).

442199 is a wasteful number, since it uses less digits than its factorization.

442199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160.

The product of its digits is 2592, while the sum is 29.

The square root of 442199 is about 664.9804508405. The cubic root of 442199 is about 76.1855461778.

The spelling of 442199 in words is "four hundred forty-two thousand, one hundred ninety-nine".