229532257 has 2 divisors, whose sum is σ = 229532258. Its totient is φ = 229532256.

The previous prime is 229532213. The next prime is 229532287. The reversal of 229532257 is 752235922.

229532257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201611601 + 27920656 = 14199^2 + 5284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229532257 is a prime.

It is not a weakly prime, because it can be changed into another prime (229532287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114766128 + 114766129.

It is an arithmetic number, because the mean of its divisors is an integer number (114766129).

Almost surely, 2^229532257 is an apocalyptic number.

It is an amenable number.

229532257 is a deficient number, since it is larger than the sum of its proper divisors (1).

229532257 is an equidigital number, since it uses as much as digits as its factorization.

229532257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 229532257 is about 15150.3220097792. The cubic root of 229532257 is about 612.2769484642.

The spelling of 229532257 in words is "two hundred twenty-nine million, five hundred thirty-two thousand, two hundred fifty-seven".