229325381 has 2 divisors, whose sum is σ = 229325382. Its totient is φ = 229325380.

The previous prime is 229325377. The next prime is 229325401. The reversal of 229325381 is 183523922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132480100 + 96845281 = 11510^2 + 9841^2 .

It is a cyclic number.

It is not a de Polignac number, because 229325381 - 2² = 229325377 is a prime.

It is a super-2 number, since 2×229325381² = 105180260741590322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229325311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114662690 + 114662691.

It is an arithmetic number, because the mean of its divisors is an integer number (114662691).

Almost surely, 2^229325381 is an apocalyptic number.

It is an amenable number.

229325381 is a deficient number, since it is larger than the sum of its proper divisors (1).

229325381 is an equidigital number, since it uses as much as digits as its factorization.

229325381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 229325381 is about 15143.4930250587. The cubic root of 229325381 is about 612.0929460340.

The spelling of 229325381 in words is "two hundred twenty-nine million, three hundred twenty-five thousand, three hundred eighty-one".