226521045797 has 2 divisors, whose sum is σ = 226521045798. Its totient is φ = 226521045796.

The previous prime is 226521045791. The next prime is 226521045823. The reversal of 226521045797 is 797540125622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224404953796 + 2116092001 = 473714^2 + 46001^2 .

It is a cyclic number.

It is not a de Polignac number, because 226521045797 - 2¹² = 226521041701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226521045791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113260522898 + 113260522899.

It is an arithmetic number, because the mean of its divisors is an integer number (113260522899).

Almost surely, 2^226521045797 is an apocalyptic number.

It is an amenable number.

226521045797 is a deficient number, since it is larger than the sum of its proper divisors (1).

226521045797 is an equidigital number, since it uses as much as digits as its factorization.

226521045797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 226521045797 in words is "two hundred twenty-six billion, five hundred twenty-one million, forty-five thousand, seven hundred ninety-seven".