229295557 has 2 divisors, whose sum is σ = 229295558. Its totient is φ = 229295556.

The previous prime is 229295519. The next prime is 229295567. The reversal of 229295557 is 755592922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157402116 + 71893441 = 12546^2 + 8479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229295557 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 (229295567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114647778 + 114647779.

It is an arithmetic number, because the mean of its divisors is an integer number (114647779).

Almost surely, 2^229295557 is an apocalyptic number.

It is an amenable number.

229295557 is a deficient number, since it is larger than the sum of its proper divisors (1).

229295557 is an equidigital number, since it uses as much as digits as its factorization.

229295557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 567000, while the sum is 46.

The square root of 229295557 is about 15142.5082796741. The cubic root of 229295557 is about 612.0664104460.

The spelling of 229295557 in words is "two hundred twenty-nine million, two hundred ninety-five thousand, five hundred fifty-seven".