226413247 has 2 divisors, whose sum is σ = 226413248. Its totient is φ = 226413246.

The previous prime is 226413217. The next prime is 226413251. The reversal of 226413247 is 742314622.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226413247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226413217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113206623 + 113206624.

It is an arithmetic number, because the mean of its divisors is an integer number (113206624).

Almost surely, 2^226413247 is an apocalyptic number.

226413247 is a deficient number, since it is larger than the sum of its proper divisors (1).

226413247 is an equidigital number, since it uses as much as digits as its factorization.

226413247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 31.

The square root of 226413247 is about 15047.0344918858. The cubic root of 226413247 is about 609.4909728236.

Adding to 226413247 its reverse (742314622), we get a palindrome (968727869).

The spelling of 226413247 in words is "two hundred twenty-six million, four hundred thirteen thousand, two hundred forty-seven".