224126549 has 2 divisors, whose sum is σ = 224126550. Its totient is φ = 224126548.

The previous prime is 224126543. The next prime is 224126557. The reversal of 224126549 is 945621422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207561649 + 16564900 = 14407^2 + 4070^2 .

It is a cyclic number.

It is not a de Polignac number, because 224126549 - 2⁸ = 224126293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224126543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112063274 + 112063275.

It is an arithmetic number, because the mean of its divisors is an integer number (112063275).

Almost surely, 2^224126549 is an apocalyptic number.

It is an amenable number.

224126549 is a deficient number, since it is larger than the sum of its proper divisors (1).

224126549 is an equidigital number, since it uses as much as digits as its factorization.

224126549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The square root of 224126549 is about 14970.8566555157. The cubic root of 224126549 is about 607.4321410878.

The spelling of 224126549 in words is "two hundred twenty-four million, one hundred twenty-six thousand, five hundred forty-nine".