4242422 has 8 divisors (see below), whose sum is σ = 6383016. Its totient is φ = 2114752.

The previous prime is 4242421. The next prime is 4242437. The reversal of 4242422 is 2242424.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4242394 and 4242403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2363 + ... + 3750.

It is an arithmetic number, because the mean of its divisors is an integer number (797877).

Almost surely, 2^4242422 is an apocalyptic number.

4242422 is a deficient number, since it is larger than the sum of its proper divisors (2140594).

4242422 is a wasteful number, since it uses less digits than its factorization.

4242422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462.

The product of its digits is 1024, while the sum is 20.

The square root of 4242422 is about 2059.7140578245. The cubic root of 4242422 is about 161.8842591465.

Adding to 4242422 its reverse (2242424), we get a palindrome (6484846).

It can be divided in two parts, 4242 and 422, that added together give a palindrome (4664).

The spelling of 4242422 in words is "four million, two hundred forty-two thousand, four hundred twenty-two".