4442135 has 4 divisors (see below), whose sum is σ = 5330568. Its totient is φ = 3553704.

The previous prime is 4442131. The next prime is 4442159. The reversal of 4442135 is 5312444.

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

It is a cyclic number.

It is not a de Polignac number, because 4442135 - 2² = 4442131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4442135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442131) 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, 444209 + ... + 444218.

It is an arithmetic number, because the mean of its divisors is an integer number (1332642).

Almost surely, 2^4442135 is an apocalyptic number.

4442135 is a deficient number, since it is larger than the sum of its proper divisors (888433).

4442135 is an equidigital number, since it uses as much as digits as its factorization.

4442135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888432.

The product of its digits is 1920, while the sum is 23.

The square root of 4442135 is about 2107.6373027635. The cubic root of 4442135 is about 164.3856554558.

Adding to 4442135 its reverse (5312444), we get a palindrome (9754579).

The spelling of 4442135 in words is "four million, four hundred forty-two thousand, one hundred thirty-five".