227297947 has 2 divisors, whose sum is σ = 227297948. Its totient is φ = 227297946.

The previous prime is 227297923. The next prime is 227297951. The reversal of 227297947 is 749792722.

227297947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227297947 - 2¹⁵ = 227265179 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 227297947.

It is not a weakly prime, because it can be changed into another prime (227297047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113648973 + 113648974.

It is an arithmetic number, because the mean of its divisors is an integer number (113648974).

Almost surely, 2^227297947 is an apocalyptic number.

227297947 is a deficient number, since it is larger than the sum of its proper divisors (1).

227297947 is an equidigital number, since it uses as much as digits as its factorization.

227297947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 49.

The square root of 227297947 is about 15076.4036494119. The cubic root of 227297947 is about 610.2837943119.

The spelling of 227297947 in words is "two hundred twenty-seven million, two hundred ninety-seven thousand, nine hundred forty-seven".