227688011 has 2 divisors, whose sum is σ = 227688012. Its totient is φ = 227688010.

The previous prime is 227687969. The next prime is 227688031. The reversal of 227688011 is 110886722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227688011 - 2¹⁸ = 227425867 is a prime.

It is a super-2 number, since 2×227688011² = 103683660706272242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (227688031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113844005 + 113844006.

It is an arithmetic number, because the mean of its divisors is an integer number (113844006).

Almost surely, 2^227688011 is an apocalyptic number.

227688011 is a deficient number, since it is larger than the sum of its proper divisors (1).

227688011 is an equidigital number, since it uses as much as digits as its factorization.

227688011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 227688011 is about 15089.3343458219. The cubic root of 227688011 is about 610.6326956828.

The spelling of 227688011 in words is "two hundred twenty-seven million, six hundred eighty-eight thousand, eleven".