227681099 has 2 divisors, whose sum is σ = 227681100. Its totient is φ = 227681098.

The previous prime is 227681063. The next prime is 227681107. The reversal of 227681099 is 990186722.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227681099 - 2¹² = 227677003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (227681029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113840549 + 113840550.

It is an arithmetic number, because the mean of its divisors is an integer number (113840550).

Almost surely, 2^227681099 is an apocalyptic number.

227681099 is a deficient number, since it is larger than the sum of its proper divisors (1).

227681099 is an equidigital number, since it uses as much as digits as its factorization.

227681099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 227681099 is about 15089.1053081354. The cubic root of 227681099 is about 610.6265165609.

The spelling of 227681099 in words is "two hundred twenty-seven million, six hundred eighty-one thousand, ninety-nine".