227499947 has 2 divisors, whose sum is σ = 227499948. Its totient is φ = 227499946.

The previous prime is 227499887. The next prime is 227499949. The reversal of 227499947 is 749994722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227499947 - 2¹⁶ = 227434411 is a prime.

Together with 227499949, 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 (227499949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113749973 + 113749974.

It is an arithmetic number, because the mean of its divisors is an integer number (113749974).

Almost surely, 2^227499947 is an apocalyptic number.

227499947 is a deficient number, since it is larger than the sum of its proper divisors (1).

227499947 is an equidigital number, since it uses as much as digits as its factorization.

227499947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The square root of 227499947 is about 15083.1013720654. The cubic root of 227499947 is about 610.4645274674.

The spelling of 227499947 in words is "two hundred twenty-seven million, four hundred ninety-nine thousand, nine hundred forty-seven".