229931297 has 2 divisors, whose sum is σ = 229931298. Its totient is φ = 229931296.

The previous prime is 229931291. The next prime is 229931323. The reversal of 229931297 is 792139922.

229931297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205091041 + 24840256 = 14321^2 + 4984^2 .

It is a cyclic number.

It is not a de Polignac number, because 229931297 - 2⁸ = 229931041 is a prime.

It is not a weakly prime, because it can be changed into another prime (229931291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114965648 + 114965649.

It is an arithmetic number, because the mean of its divisors is an integer number (114965649).

Almost surely, 2^229931297 is an apocalyptic number.

It is an amenable number.

229931297 is a deficient number, since it is larger than the sum of its proper divisors (1).

229931297 is an equidigital number, since it uses as much as digits as its factorization.

229931297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 44.

The square root of 229931297 is about 15163.4856480956. The cubic root of 229931297 is about 612.6315559150.

The spelling of 229931297 in words is "two hundred twenty-nine million, nine hundred thirty-one thousand, two hundred ninety-seven".