224544220445429 has 2 divisors, whose sum is σ = 224544220445430. Its totient is φ = 224544220445428.

The previous prime is 224544220445411. The next prime is 224544220445477. The reversal of 224544220445429 is 924544022445422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223298927376100 + 1245293069329 = 14943190^2 + 1115927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224544220445429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224544220445329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112272110222714 + 112272110222715.

It is an arithmetic number, because the mean of its divisors is an integer number (112272110222715).

Almost surely, 2^{224544220445429} is an apocalyptic number.

It is an amenable number.

224544220445429 is a deficient number, since it is larger than the sum of its proper divisors (1).

224544220445429 is an equidigital number, since it uses as much as digits as its factorization.

224544220445429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29491200, while the sum is 53.

The spelling of 224544220445429 in words is "two hundred twenty-four trillion, five hundred forty-four billion, two hundred twenty million, four hundred forty-five thousand, four hundred twenty-nine".