22404241 has 2 divisors, whose sum is σ = 22404242. Its totient is φ = 22404240.

The previous prime is 22404233. The next prime is 22404281. The reversal of 22404241 is 14240422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17673616 + 4730625 = 4204^2 + 2175^2 .

It is a cyclic number.

It is not a de Polignac number, because 22404241 - 2³ = 22404233 is a prime.

It is not a weakly prime, because it can be changed into another prime (22404281) 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 as a sum of consecutive naturals, namely, 11202120 + 11202121.

It is an arithmetic number, because the mean of its divisors is an integer number (11202121).

Almost surely, 2^22404241 is an apocalyptic number.

It is an amenable number.

22404241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22404241 is an equidigital number, since it uses as much as digits as its factorization.

22404241 is an odious number, because the sum of its binary digits is odd.

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

The square root of 22404241 is about 4733.3118426742. The cubic root of 22404241 is about 281.9097383944.

Adding to 22404241 its reverse (14240422), we get a palindrome (36644663).

The spelling of 22404241 in words is "twenty-two million, four hundred four thousand, two hundred forty-one".