226666669 has 2 divisors, whose sum is σ = 226666670. Its totient is φ = 226666668.

The previous prime is 226666579. The next prime is 226666703. The reversal of 226666669 is 966666622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195160900 + 31505769 = 13970^2 + 5613^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226666669 is a prime.

It is a super-3 number, since 3×226666669³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226666369) 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, 113333334 + 113333335.

It is an arithmetic number, because the mean of its divisors is an integer number (113333335).

Almost surely, 2^226666669 is an apocalyptic number.

It is an amenable number.

226666669 is a deficient number, since it is larger than the sum of its proper divisors (1).

226666669 is an equidigital number, since it uses as much as digits as its factorization.

226666669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 49.

The square root of 226666669 is about 15055.4531316729. The cubic root of 226666669 is about 609.7182870102.

The spelling of 226666669 in words is "two hundred twenty-six million, six hundred sixty-six thousand, six hundred sixty-nine".