227638667 has 2 divisors, whose sum is σ = 227638668. Its totient is φ = 227638666.

The previous prime is 227638643. The next prime is 227638679. The reversal of 227638667 is 766836722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227638667 - 2¹⁶ = 227573131 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (227638637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113819333 + 113819334.

It is an arithmetic number, because the mean of its divisors is an integer number (113819334).

Almost surely, 2^227638667 is an apocalyptic number.

227638667 is a deficient number, since it is larger than the sum of its proper divisors (1).

227638667 is an equidigital number, since it uses as much as digits as its factorization.

227638667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 47.

The square root of 227638667 is about 15087.6991950396. The cubic root of 227638667 is about 610.5885808778.

The spelling of 227638667 in words is "two hundred twenty-seven million, six hundred thirty-eight thousand, six hundred sixty-seven".