224385979 has 2 divisors, whose sum is σ = 224385980. Its totient is φ = 224385978.

The previous prime is 224385977. The next prime is 224386003. The reversal of 224385979 is 979583422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224385979 - 2¹ = 224385977 is a prime.

Together with 224385977, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (224385971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112192989 + 112192990.

It is an arithmetic number, because the mean of its divisors is an integer number (112192990).

Almost surely, 2^224385979 is an apocalyptic number.

224385979 is a deficient number, since it is larger than the sum of its proper divisors (1).

224385979 is an equidigital number, since it uses as much as digits as its factorization.

224385979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 224385979 is about 14979.5186504774. The cubic root of 224385979 is about 607.6664214640. Note that the first 3 decimals are identical.

The spelling of 224385979 in words is "two hundred twenty-four million, three hundred eighty-five thousand, nine hundred seventy-nine".