229199293 has 2 divisors, whose sum is σ = 229199294. Its totient is φ = 229199292.

The previous prime is 229199281. The next prime is 229199309. The reversal of 229199293 is 392991922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148522969 + 80676324 = 12187^2 + 8982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229199293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229199203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114599646 + 114599647.

It is an arithmetic number, because the mean of its divisors is an integer number (114599647).

Almost surely, 2^229199293 is an apocalyptic number.

It is an amenable number.

229199293 is a deficient number, since it is larger than the sum of its proper divisors (1).

229199293 is an equidigital number, since it uses as much as digits as its factorization.

229199293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 46.

The square root of 229199293 is about 15139.3293444591. The cubic root of 229199293 is about 611.9807448696.

The spelling of 229199293 in words is "two hundred twenty-nine million, one hundred ninety-nine thousand, two hundred ninety-three".