2421203224 has 24 divisors (see below), whose sum is σ = 4989981780. Its totient is φ = 1100546480.

The previous prime is 2421203219. The next prime is 2421203227. The reversal of 2421203224 is 4223021242.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2421203195 and 2421203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421203227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1249654 + ... + 1251589.

Almost surely, 2^2421203224 is an apocalyptic number.

It is an amenable number.

2421203224 is an abundant number, since it is smaller than the sum of its proper divisors (2568778556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2421203224 is a wasteful number, since it uses less digits than its factorization.

2421203224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501271 (or 2501256 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2421203224 is about 49205.7234882285. The cubic root of 2421203224 is about 1342.7971614287.

Adding to 2421203224 its reverse (4223021242), we get a palindrome (6644224466).

The spelling of 2421203224 in words is "two billion, four hundred twenty-one million, two hundred three thousand, two hundred twenty-four".