226447656551 has 2 divisors, whose sum is σ = 226447656552. Its totient is φ = 226447656550.

The previous prime is 226447656541. The next prime is 226447656557. The reversal of 226447656551 is 155656744622.

226447656551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226447656551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 226447656493 and 226447656502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226447656557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113223828275 + 113223828276.

It is an arithmetic number, because the mean of its divisors is an integer number (113223828276).

Almost surely, 2^226447656551 is an apocalyptic number.

226447656551 is a deficient number, since it is larger than the sum of its proper divisors (1).

226447656551 is an equidigital number, since it uses as much as digits as its factorization.

226447656551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096000, while the sum is 53.

The spelling of 226447656551 in words is "two hundred twenty-six billion, four hundred forty-seven million, six hundred fifty-six thousand, five hundred fifty-one".