226666463 has 2 divisors, whose sum is σ = 226666464. Its totient is φ = 226666462.

The previous prime is 226666439. The next prime is 226666469. The reversal of 226666463 is 364666622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226666463 - 2⁸ = 226666207 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226666463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226666469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113333231 + 113333232.

It is an arithmetic number, because the mean of its divisors is an integer number (113333232).

Almost surely, 2^226666463 is an apocalyptic number.

226666463 is a deficient number, since it is larger than the sum of its proper divisors (1).

226666463 is an equidigital number, since it uses as much as digits as its factorization.

226666463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 41.

The square root of 226666463 is about 15055.4462902964. The cubic root of 226666463 is about 609.7181023014.

The spelling of 226666463 in words is "two hundred twenty-six million, six hundred sixty-six thousand, four hundred sixty-three".