224704427 has 2 divisors, whose sum is σ = 224704428. Its totient is φ = 224704426.

The previous prime is 224704423. The next prime is 224704429. The reversal of 224704427 is 724407422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224704427 - 2² = 224704423 is a prime.

Together with 224704429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 224704393 and 224704402.

It is not a weakly prime, because it can be changed into another prime (224704423) 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, 112352213 + 112352214.

It is an arithmetic number, because the mean of its divisors is an integer number (112352214).

Almost surely, 2^224704427 is an apocalyptic number.

224704427 is a deficient number, since it is larger than the sum of its proper divisors (1).

224704427 is an equidigital number, since it uses as much as digits as its factorization.

224704427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 224704427 is about 14990.1443288582. The cubic root of 224704427 is about 607.9537517843.

The spelling of 224704427 in words is "two hundred twenty-four million, seven hundred four thousand, four hundred twenty-seven".