227266139 has 2 divisors, whose sum is σ = 227266140. Its totient is φ = 227266138.

The previous prime is 227266129. The next prime is 227266147. The reversal of 227266139 is 931662722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227266139 - 2¹² = 227262043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (227266129) 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, 113633069 + 113633070.

It is an arithmetic number, because the mean of its divisors is an integer number (113633070).

Almost surely, 2^227266139 is an apocalyptic number.

227266139 is a deficient number, since it is larger than the sum of its proper divisors (1).

227266139 is an equidigital number, since it uses as much as digits as its factorization.

227266139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 227266139 is about 15075.3487190181. The cubic root of 227266139 is about 610.2553253460.

The spelling of 227266139 in words is "two hundred twenty-seven million, two hundred sixty-six thousand, one hundred thirty-nine".