226712947 has 2 divisors, whose sum is σ = 226712948. Its totient is φ = 226712946.

The previous prime is 226712891. The next prime is 226712957. The reversal of 226712947 is 749217622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226712947 - 2¹¹ = 226710899 is a prime.

It is not a weakly prime, because it can be changed into another prime (226712957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113356473 + 113356474.

It is an arithmetic number, because the mean of its divisors is an integer number (113356474).

Almost surely, 2^226712947 is an apocalyptic number.

226712947 is a deficient number, since it is larger than the sum of its proper divisors (1).

226712947 is an equidigital number, since it uses as much as digits as its factorization.

226712947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 226712947 is about 15056.9899714385. The cubic root of 226712947 is about 609.7597791022.

The spelling of 226712947 in words is "two hundred twenty-six million, seven hundred twelve thousand, nine hundred forty-seven".