4242255 has 16 divisors (see below), whose sum is σ = 6818784. Its totient is φ = 2252160.

The previous prime is 4242253. The next prime is 4242269. The reversal of 4242255 is 5522424.

It is a happy number.

It is not a de Polignac number, because 4242255 - 2¹ = 4242253 is a prime.

4242255 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3645 + ... + 4665.

It is an arithmetic number, because the mean of its divisors is an integer number (426174).

Almost surely, 2^4242255 is an apocalyptic number.

4242255 is a deficient number, since it is larger than the sum of its proper divisors (2576529).

4242255 is a wasteful number, since it uses less digits than its factorization.

4242255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306.

The product of its digits is 3200, while the sum is 24.

The square root of 4242255 is about 2059.6735178178. The cubic root of 4242255 is about 161.8821349647.

Adding to 4242255 its reverse (5522424), we get a palindrome (9764679).

The spelling of 4242255 in words is "four million, two hundred forty-two thousand, two hundred fifty-five".