227318669 has 2 divisors, whose sum is σ = 227318670. Its totient is φ = 227318668.

The previous prime is 227318633. The next prime is 227318687. The reversal of 227318669 is 966813722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226141444 + 1177225 = 15038^2 + 1085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227318669 is a prime.

It is a super-2 number, since 2×227318669² = 103347554551863122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227318369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113659334 + 113659335.

It is an arithmetic number, because the mean of its divisors is an integer number (113659335).

Almost surely, 2^227318669 is an apocalyptic number.

It is an amenable number.

227318669 is a deficient number, since it is larger than the sum of its proper divisors (1).

227318669 is an equidigital number, since it uses as much as digits as its factorization.

227318669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 227318669 is about 15077.0908666095. The cubic root of 227318669 is about 610.3023395982.

The spelling of 227318669 in words is "two hundred twenty-seven million, three hundred eighteen thousand, six hundred sixty-nine".