2404341221 has 4 divisors (see below), whose sum is σ = 2434776000. Its totient is φ = 2373906444.

The previous prime is 2404341209. The next prime is 2404341223. The reversal of 2404341221 is 1221434042.

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 2404341221 - 2²⁶ = 2337232357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2404341223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15217271 + ... + 15217428.

It is an arithmetic number, because the mean of its divisors is an integer number (608694000).

Almost surely, 2^2404341221 is an apocalyptic number.

It is an amenable number.

2404341221 is a deficient number, since it is larger than the sum of its proper divisors (30434779).

2404341221 is an equidigital number, since it uses as much as digits as its factorization.

2404341221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30434778.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2404341221 is about 49034.0822387857. The cubic root of 2404341221 is about 1339.6726795756.

Adding to 2404341221 its reverse (1221434042), we get a palindrome (3625775263).

The spelling of 2404341221 in words is "two billion, four hundred four million, three hundred forty-one thousand, two hundred twenty-one".