226521045539 has 2 divisors, whose sum is σ = 226521045540. Its totient is φ = 226521045538.

The previous prime is 226521045493. The next prime is 226521045547. The reversal of 226521045539 is 935540125622.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226521045539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226521045539.

It is not a weakly prime, because it can be changed into another prime (226521045739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113260522769 + 113260522770.

It is an arithmetic number, because the mean of its divisors is an integer number (113260522770).

Almost surely, 2^226521045539 is an apocalyptic number.

226521045539 is a deficient number, since it is larger than the sum of its proper divisors (1).

226521045539 is an equidigital number, since it uses as much as digits as its factorization.

226521045539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 226521045539 in words is "two hundred twenty-six billion, five hundred twenty-one million, forty-five thousand, five hundred thirty-nine".