226013993 has 2 divisors, whose sum is σ = 226013994. Its totient is φ = 226013992.

The previous prime is 226013989. The next prime is 226013999. The reversal of 226013993 is 399310622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178169104 + 47844889 = 13348^2 + 6917^2 .

It is a cyclic number.

It is not a de Polignac number, because 226013993 - 2² = 226013989 is a prime.

It is not a weakly prime, because it can be changed into another prime (226013999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113006996 + 113006997.

It is an arithmetic number, because the mean of its divisors is an integer number (113006997).

Almost surely, 2^226013993 is an apocalyptic number.

It is an amenable number.

226013993 is a deficient number, since it is larger than the sum of its proper divisors (1).

226013993 is an equidigital number, since it uses as much as digits as its factorization.

226013993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 226013993 is about 15033.7617714263. The cubic root of 226013993 is about 609.1325060415.

The spelling of 226013993 in words is "two hundred twenty-six million, thirteen thousand, nine hundred ninety-three".