24104221 has 2 divisors, whose sum is σ = 24104222. Its totient is φ = 24104220.

The previous prime is 24104203. The next prime is 24104233. The reversal of 24104221 is 12240142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20124196 + 3980025 = 4486^2 + 1995^2 .

It is a cyclic number.

It is not a de Polignac number, because 24104221 - 2¹¹ = 24102173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24104195 and 24104204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24104251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12052110 + 12052111.

It is an arithmetic number, because the mean of its divisors is an integer number (12052111).

Almost surely, 2^24104221 is an apocalyptic number.

It is an amenable number.

24104221 is a deficient number, since it is larger than the sum of its proper divisors (1).

24104221 is an equidigital number, since it uses as much as digits as its factorization.

24104221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 24104221 is about 4909.6049739261. The cubic root of 24104221 is about 288.8668463841.

Adding to 24104221 its reverse (12240142), we get a palindrome (36344363).

The spelling of 24104221 in words is "twenty-four million, one hundred four thousand, two hundred twenty-one".