227393149 has 2 divisors, whose sum is σ = 227393150. Its totient is φ = 227393148.

The previous prime is 227393143. The next prime is 227393171. The reversal of 227393149 is 941393722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141181924 + 86211225 = 11882^2 + 9285^2 .

It is a cyclic number.

It is not a de Polignac number, because 227393149 - 2¹⁵ = 227360381 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227393143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113696574 + 113696575.

It is an arithmetic number, because the mean of its divisors is an integer number (113696575).

Almost surely, 2^227393149 is an apocalyptic number.

It is an amenable number.

227393149 is a deficient number, since it is larger than the sum of its proper divisors (1).

227393149 is an equidigital number, since it uses as much as digits as its factorization.

227393149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 227393149 is about 15079.5606368355. The cubic root of 227393149 is about 610.3689866462.

The spelling of 227393149 in words is "two hundred twenty-seven million, three hundred ninety-three thousand, one hundred forty-nine".