227164369 has 2 divisors, whose sum is σ = 227164370. Its totient is φ = 227164368.

The previous prime is 227164363. The next prime is 227164381. The reversal of 227164369 is 963461722.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226893969 + 270400 = 15063^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 227164369 - 2⁹ = 227163857 is a prime.

It is a super-2 number, since 2×227164369² = 103207301086336322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (227164363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113582184 + 113582185.

It is an arithmetic number, because the mean of its divisors is an integer number (113582185).

Almost surely, 2^227164369 is an apocalyptic number.

It is an amenable number.

227164369 is a deficient number, since it is larger than the sum of its proper divisors (1).

227164369 is an equidigital number, since it uses as much as digits as its factorization.

227164369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 227164369 is about 15071.9729630862. The cubic root of 227164369 is about 610.1642207680.

The spelling of 227164369 in words is "two hundred twenty-seven million, one hundred sixty-four thousand, three hundred sixty-nine".