226515157009 has 2 divisors, whose sum is σ = 226515157010. Its totient is φ = 226515157008.

The previous prime is 226515157003. The next prime is 226515157031. The reversal of 226515157009 is 900751515622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226340917009 + 174240000 = 475753^2 + 13200^2 .

It is a cyclic number.

It is not a de Polignac number, because 226515157009 - 2¹¹ = 226515154961 is a prime.

It is not a weakly prime, because it can be changed into another prime (226515157003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113257578504 + 113257578505.

It is an arithmetic number, because the mean of its divisors is an integer number (113257578505).

Almost surely, 2^226515157009 is an apocalyptic number.

It is an amenable number.

226515157009 is a deficient number, since it is larger than the sum of its proper divisors (1).

226515157009 is an equidigital number, since it uses as much as digits as its factorization.

226515157009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 226515157009 in words is "two hundred twenty-six billion, five hundred fifteen million, one hundred fifty-seven thousand, nine".