229691536 has 20 divisors (see below), whose sum is σ = 447979264. Its totient is φ = 114084000.

The previous prime is 229691533. The next prime is 229691563. The reversal of 229691536 is 635196922.

It is a junction number, because it is equal to n+sod(n) for n = 229691492 and 229691501.

It is not an unprimeable number, because it can be changed into a prime (229691531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45120 + ... + 49951.

Almost surely, 2^229691536 is an apocalyptic number.

It is an amenable number.

229691536 is a deficient number, since it is larger than the sum of its proper divisors (218287728).

229691536 is a wasteful number, since it uses less digits than its factorization.

229691536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95230 (or 95224 counting only the distinct ones).

The product of its digits is 174960, while the sum is 43.

The square root of 229691536 is about 15155.5777191105. The cubic root of 229691536 is about 612.4185412147.

The spelling of 229691536 in words is "two hundred twenty-nine million, six hundred ninety-one thousand, five hundred thirty-six".