224309971 has 2 divisors, whose sum is σ = 224309972. Its totient is φ = 224309970.

The previous prime is 224309957. The next prime is 224310011. The reversal of 224309971 is 179903422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224309971 - 2⁷ = 224309843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224309971.

It is not a weakly prime, because it can be changed into another prime (224309941) 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, 112154985 + 112154986.

It is an arithmetic number, because the mean of its divisors is an integer number (112154986).

Almost surely, 2^224309971 is an apocalyptic number.

224309971 is a deficient number, since it is larger than the sum of its proper divisors (1).

224309971 is an equidigital number, since it uses as much as digits as its factorization.

224309971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 224309971 is about 14976.9813714246. The cubic root of 224309971 is about 607.5978005313.

The spelling of 224309971 in words is "two hundred twenty-four million, three hundred nine thousand, nine hundred seventy-one".