4223242 has 8 divisors (see below), whose sum is σ = 6707556. Its totient is φ = 1987392.

The previous prime is 4223239. The next prime is 4223243. The reversal of 4223242 is 2423224.

It can be written as a sum of positive squares in 2 ways, for example, as 4206601 + 16641 = 2051^2 + 129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4223243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62073 + ... + 62140.

Almost surely, 2^4223242 is an apocalyptic number.

4223242 is a deficient number, since it is larger than the sum of its proper divisors (2484314).

4223242 is a wasteful number, since it uses less digits than its factorization.

4223242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124232.

The product of its digits is 768, while the sum is 19.

The square root of 4223242 is about 2055.0527973753. The cubic root of 4223242 is about 161.6399308653.

Adding to 4223242 its reverse (2423224), we get a palindrome (6646466).

It can be divided in two parts, 4223 and 242, that added together give a triangular number (4465 = T₉₄).

The spelling of 4223242 in words is "four million, two hundred twenty-three thousand, two hundred forty-two".