226503947 has 2 divisors, whose sum is σ = 226503948. Its totient is φ = 226503946.

The previous prime is 226503923. The next prime is 226504027. The reversal of 226503947 is 749305622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226503947 - 2¹⁰ = 226502923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226503947.

It is not a weakly prime, because it can be changed into another prime (226503917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113251973 + 113251974.

It is an arithmetic number, because the mean of its divisors is an integer number (113251974).

Almost surely, 2^226503947 is an apocalyptic number.

226503947 is a deficient number, since it is larger than the sum of its proper divisors (1).

226503947 is an equidigital number, since it uses as much as digits as its factorization.

226503947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 226503947 is about 15050.0480730129. The cubic root of 226503947 is about 609.5723482907.

The spelling of 226503947 in words is "two hundred twenty-six million, five hundred three thousand, nine hundred forty-seven".