224070281 has 2 divisors, whose sum is σ = 224070282. Its totient is φ = 224070280.

The previous prime is 224070277. The next prime is 224070293. The reversal of 224070281 is 182070422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193655056 + 30415225 = 13916^2 + 5515^2 .

It is a cyclic number.

It is not a de Polignac number, because 224070281 - 2² = 224070277 is a prime.

It is a super-2 number, since 2×224070281² = 100414981654837922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224070281.

It is not a weakly prime, because it can be changed into another prime (224070271) 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, 112035140 + 112035141.

It is an arithmetic number, because the mean of its divisors is an integer number (112035141).

Almost surely, 2^224070281 is an apocalyptic number.

It is an amenable number.

224070281 is a deficient number, since it is larger than the sum of its proper divisors (1).

224070281 is an equidigital number, since it uses as much as digits as its factorization.

224070281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 224070281 is about 14968.9772863746. The cubic root of 224070281 is about 607.3813039565.

The spelling of 224070281 in words is "two hundred twenty-four million, seventy thousand, two hundred eighty-one".