224105449 has 2 divisors, whose sum is σ = 224105450. Its totient is φ = 224105448.

The previous prime is 224105429. The next prime is 224105473. The reversal of 224105449 is 944501422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203918400 + 20187049 = 14280^2 + 4493^2 .

It is a cyclic number.

It is not a de Polignac number, because 224105449 - 2²³ = 215716841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224105449.

It is not a weakly prime, because it can be changed into another prime (224105429) 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, 112052724 + 112052725.

It is an arithmetic number, because the mean of its divisors is an integer number (112052725).

Almost surely, 2^224105449 is an apocalyptic number.

It is an amenable number.

224105449 is a deficient number, since it is larger than the sum of its proper divisors (1).

224105449 is an equidigital number, since it uses as much as digits as its factorization.

224105449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 224105449 is about 14970.1519364367. The cubic root of 224105449 is about 607.4130786125.

The spelling of 224105449 in words is "two hundred twenty-four million, one hundred five thousand, four hundred forty-nine".