226521045791 has 2 divisors, whose sum is σ = 226521045792. Its totient is φ = 226521045790.

The previous prime is 226521045767. The next prime is 226521045797. The reversal of 226521045791 is 197540125622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226521045791 - 2¹⁰ = 226521044767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226521045797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113260522895 + 113260522896.

It is an arithmetic number, because the mean of its divisors is an integer number (113260522896).

Almost surely, 2^226521045791 is an apocalyptic number.

226521045791 is a deficient number, since it is larger than the sum of its proper divisors (1).

226521045791 is an equidigital number, since it uses as much as digits as its factorization.

226521045791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 226521045791 in words is "two hundred twenty-six billion, five hundred twenty-one million, forty-five thousand, seven hundred ninety-one".