42244 has 12 divisors (see below), whose sum is σ = 75600. Its totient is φ = 20648.

The previous prime is 42239. The next prime is 42257. The reversal of 42244 is 44224.

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 4 + 2¹³ + 2¹⁵ + 4⁴ + 4⁵ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147 + ... + 325.

It is an arithmetic number, because the mean of its divisors is an integer number (6300).

2⁴²²⁴⁴ is an apocalyptic number.

It is an amenable number.

42244 is a deficient number, since it is larger than the sum of its proper divisors (33356).

42244 is a wasteful number, since it uses less digits than its factorization.

42244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 240 counting only the distinct ones).

The product of its digits is 256, while the sum is 16.

The square root of 42244 is about 205.5334522651. The cubic root of 42244 is about 34.8274500466.

Adding to 42244 its reverse (44224), we get a palindrome (86468).

The spelling of 42244 in words is "forty-two thousand, two hundred forty-four", and thus it is an iban number.