227050721 has 2 divisors, whose sum is σ = 227050722. Its totient is φ = 227050720.

The previous prime is 227050711. The next prime is 227050729. The reversal of 227050721 is 127050722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153760000 + 73290721 = 12400^2 + 8561^2 .

It is a cyclic number.

It is not a de Polignac number, because 227050721 - 2²⁶ = 159941857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (227050729) 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, 113525360 + 113525361.

It is an arithmetic number, because the mean of its divisors is an integer number (113525361).

Almost surely, 2^227050721 is an apocalyptic number.

It is an amenable number.

227050721 is a deficient number, since it is larger than the sum of its proper divisors (1).

227050721 is an equidigital number, since it uses as much as digits as its factorization.

227050721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 227050721 is about 15068.2023148085. The cubic root of 227050721 is about 610.0624508309.

Subtracting from 227050721 its reverse (127050722), we obtain a palindrome (99999999).

The spelling of 227050721 in words is "two hundred twenty-seven million, fifty thousand, seven hundred twenty-one".