229775089 has 2 divisors, whose sum is σ = 229775090. Its totient is φ = 229775088.

The previous prime is 229775059. The next prime is 229775107. The reversal of 229775089 is 980577922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191545600 + 38229489 = 13840^2 + 6183^2 .

It is a cyclic number.

It is not a de Polignac number, because 229775089 - 2¹³ = 229766897 is a prime.

It is not a weakly prime, because it can be changed into another prime (229775059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114887544 + 114887545.

It is an arithmetic number, because the mean of its divisors is an integer number (114887545).

Almost surely, 2^229775089 is an apocalyptic number.

It is an amenable number.

229775089 is a deficient number, since it is larger than the sum of its proper divisors (1).

229775089 is an equidigital number, since it uses as much as digits as its factorization.

229775089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 229775089 is about 15158.3339783764. Note that the first 3 decimals coincide. The cubic root of 229775089 is about 612.4927903636.

The spelling of 229775089 in words is "two hundred twenty-nine million, seven hundred seventy-five thousand, eighty-nine".