229243511 has 12 divisors (see below), whose sum is σ = 268222392. Its totient is φ = 195351408.

The previous prime is 229243499. The next prime is 229243517. The reversal of 229243511 is 115342922.

It is not a de Polignac number, because 229243511 - 2⁶ = 229243447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229243517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5045 + ... + 21998.

It is an arithmetic number, because the mean of its divisors is an integer number (22351866).

Almost surely, 2^229243511 is an apocalyptic number.

229243511 is a deficient number, since it is larger than the sum of its proper divisors (38978881).

229243511 is a wasteful number, since it uses less digits than its factorization.

229243511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27230 (or 27223 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 229243511 is about 15140.7896425517. The cubic root of 229243511 is about 612.0200975572.

The spelling of 229243511 in words is "two hundred twenty-nine million, two hundred forty-three thousand, five hundred eleven".