227008729 has 2 divisors, whose sum is σ = 227008730. Its totient is φ = 227008728.

The previous prime is 227008703. The next prime is 227008763. The reversal of 227008729 is 927800722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130576329 + 96432400 = 11427^2 + 9820^2 .

It is a cyclic number.

It is not a de Polignac number, because 227008729 - 2¹⁷ = 226877657 is a prime.

It is not a weakly prime, because it can be changed into another prime (227008799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113504364 + 113504365.

It is an arithmetic number, because the mean of its divisors is an integer number (113504365).

Almost surely, 2^227008729 is an apocalyptic number.

It is an amenable number.

227008729 is a deficient number, since it is larger than the sum of its proper divisors (1).

227008729 is an equidigital number, since it uses as much as digits as its factorization.

227008729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 227008729 is about 15066.8088525739. The cubic root of 227008729 is about 610.0248390853.

The spelling of 227008729 in words is "two hundred twenty-seven million, eight thousand, seven hundred twenty-nine".