226640327 has 2 divisors, whose sum is σ = 226640328. Its totient is φ = 226640326.

The previous prime is 226640291. The next prime is 226640339. The reversal of 226640327 is 723046622.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226640327 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 226640293 and 226640302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226640377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113320163 + 113320164.

It is an arithmetic number, because the mean of its divisors is an integer number (113320164).

Almost surely, 2^226640327 is an apocalyptic number.

226640327 is a deficient number, since it is larger than the sum of its proper divisors (1).

226640327 is an equidigital number, since it uses as much as digits as its factorization.

226640327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 226640327 is about 15054.5782737345. The cubic root of 226640327 is about 609.6946666850.

Adding to 226640327 its reverse (723046622), we get a palindrome (949686949).

The spelling of 226640327 in words is "two hundred twenty-six million, six hundred forty thousand, three hundred twenty-seven".