226667555205541 has 2 divisors, whose sum is σ = 226667555205542. Its totient is φ = 226667555205540.

The previous prime is 226667555205527. The next prime is 226667555205577. The reversal of 226667555205541 is 145502555766622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226630593605025 + 36961600516 = 15054255^2 + 192254^2 .

It is a cyclic number.

It is not a de Polignac number, because 226667555205541 - 2⁹ = 226667555205029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226667555205541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226667555202541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113333777602770 + 113333777602771.

It is an arithmetic number, because the mean of its divisors is an integer number (113333777602771).

Almost surely, 2^{226667555205541} is an apocalyptic number.

It is an amenable number.

226667555205541 is a deficient number, since it is larger than the sum of its proper divisors (1).

226667555205541 is an equidigital number, since it uses as much as digits as its factorization.

226667555205541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200000, while the sum is 61.

The spelling of 226667555205541 in words is "two hundred twenty-six trillion, six hundred sixty-seven billion, five hundred fifty-five million, two hundred five thousand, five hundred forty-one".