4242424 has 8 divisors (see below), whose sum is σ = 7954560. Its totient is φ = 2121208.

The previous prime is 4242421. The next prime is 4242437.

4242424 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4242424² = 35996322791552, which contains 22 as substring.

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

It is an Ulam number.

4242424 is an undulating number in base 10.

4242424 is a modest number, since divided by 2424 gives 424 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 4242395 and 4242404.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 265144 + ... + 265159.

It is an arithmetic number, because the mean of its divisors is an integer number (994320).

Almost surely, 2^4242424 is an apocalyptic number.

It is an amenable number.

4242424 is a deficient number, since it is larger than the sum of its proper divisors (3712136).

4242424 is a wasteful number, since it uses less digits than its factorization.

4242424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530309 (or 530305 counting only the distinct ones).

The product of its digits is 2048, while the sum is 22.

The square root of 4242424 is about 2059.7145433288. The cubic root of 4242424 is about 161.8842845855.

The spelling of 4242424 in words is "four million, two hundred forty-two thousand, four hundred twenty-four".