2424424021 has 4 divisors (see below), whose sum is σ = 2439297952. Its totient is φ = 2409550092.

The previous prime is 2424423973. The next prime is 2424424027. The reversal of 2424424021 is 1204244242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2424424021 - 2²⁷ = 2290206293 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 (2424424027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7436721 + ... + 7437046.

It is an arithmetic number, because the mean of its divisors is an integer number (609824488).

Almost surely, 2^2424424021 is an apocalyptic number.

It is an amenable number.

2424424021 is a deficient number, since it is larger than the sum of its proper divisors (14873931).

2424424021 is a wasteful number, since it uses less digits than its factorization.

2424424021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14873930.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 2424424021 is about 49238.4404809901. The cubic root of 2424424021 is about 1343.3923146601.

Adding to 2424424021 its reverse (1204244242), we get a palindrome (3628668263).

The spelling of 2424424021 in words is "two billion, four hundred twenty-four million, four hundred twenty-four thousand, twenty-one".