226303213 has 2 divisors, whose sum is σ = 226303214. Its totient is φ = 226303212.

The previous prime is 226303177. The next prime is 226303219. The reversal of 226303213 is 312303622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226111369 + 191844 = 15037^2 + 438^2 .

It is a cyclic number.

It is not a de Polignac number, because 226303213 - 2¹³ = 226295021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226303219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113151606 + 113151607.

It is an arithmetic number, because the mean of its divisors is an integer number (113151607).

Almost surely, 2^226303213 is an apocalyptic number.

It is an amenable number.

226303213 is a deficient number, since it is larger than the sum of its proper divisors (1).

226303213 is an equidigital number, since it uses as much as digits as its factorization.

226303213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 226303213 is about 15043.3777124687. The cubic root of 226303213 is about 609.3922218337.

Adding to 226303213 its reverse (312303622), we get a palindrome (538606835).

The spelling of 226303213 in words is "two hundred twenty-six million, three hundred three thousand, two hundred thirteen".