226763149 has 2 divisors, whose sum is σ = 226763150. Its totient is φ = 226763148.

The previous prime is 226763029. The next prime is 226763161. The reversal of 226763149 is 941367622.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137592900 + 89170249 = 11730^2 + 9443^2 .

It is a cyclic number.

It is not a de Polignac number, because 226763149 - 2⁷ = 226763021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226763549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113381574 + 113381575.

It is an arithmetic number, because the mean of its divisors is an integer number (113381575).

Almost surely, 2^226763149 is an apocalyptic number.

It is an amenable number.

226763149 is a deficient number, since it is larger than the sum of its proper divisors (1).

226763149 is an equidigital number, since it uses as much as digits as its factorization.

226763149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 226763149 is about 15058.6569454251. The cubic root of 226763149 is about 609.8047830034.

The spelling of 226763149 in words is "two hundred twenty-six million, seven hundred sixty-three thousand, one hundred forty-nine".