226515205643 has 2 divisors, whose sum is σ = 226515205644. Its totient is φ = 226515205642.

The previous prime is 226515205591. The next prime is 226515205661. The reversal of 226515205643 is 346502515622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226515205643 - 2³⁶ = 157795728907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226515205643.

It is not a weakly prime, because it can be changed into another prime (226515208643) 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, 113257602821 + 113257602822.

It is an arithmetic number, because the mean of its divisors is an integer number (113257602822).

Almost surely, 2^226515205643 is an apocalyptic number.

226515205643 is a deficient number, since it is larger than the sum of its proper divisors (1).

226515205643 is an equidigital number, since it uses as much as digits as its factorization.

226515205643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 226515205643 in words is "two hundred twenty-six billion, five hundred fifteen million, two hundred five thousand, six hundred forty-three".