226421254663 has 2 divisors, whose sum is σ = 226421254664. Its totient is φ = 226421254662.

The previous prime is 226421254607. The next prime is 226421254669. The reversal of 226421254663 is 366452124622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226421254663 - 2²¹ = 226419157511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226421254669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113210627331 + 113210627332.

It is an arithmetic number, because the mean of its divisors is an integer number (113210627332).

Almost surely, 2^226421254663 is an apocalyptic number.

226421254663 is a deficient number, since it is larger than the sum of its proper divisors (1).

226421254663 is an equidigital number, since it uses as much as digits as its factorization.

226421254663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 43.

The spelling of 226421254663 in words is "two hundred twenty-six billion, four hundred twenty-one million, two hundred fifty-four thousand, six hundred sixty-three".