2424421 has 6 divisors (see below), whose sum is σ = 2575730. Its totient is φ = 2281536.

The previous prime is 2424391. The next prime is 2424427. The reversal of 2424421 is 1244242.

It can be written as a sum of positive squares in 3 ways, for example, as 1473796 + 950625 = 1214^2 + 975^2 .

It is not a de Polignac number, because 2424421 - 2⁹ = 2423909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2424427) 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 5 ways as a sum of consecutive naturals, for example, 3906 + ... + 4483.

2^2424421 is an apocalyptic number.

It is an amenable number.

2424421 is a deficient number, since it is larger than the sum of its proper divisors (151309).

2424421 is an equidigital number, since it uses as much as digits as its factorization.

2424421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8423 (or 8406 counting only the distinct ones).

The product of its digits is 512, while the sum is 19.

The square root of 2424421 is about 1557.0552334455. The cubic root of 2424421 is about 134.3391756673.

Adding to 2424421 its reverse (1244242), we get a palindrome (3668663).

The spelling of 2424421 in words is "two million, four hundred twenty-four thousand, four hundred twenty-one".