229688769 has 8 divisors (see below), whose sum is σ = 307855872. Its totient is φ = 152323760.

The previous prime is 229688761. The next prime is 229688779. The reversal of 229688769 is 967886922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 229688769 - 2³ = 229688761 is a prime.

It is a super-2 number, since 2×229688769² = 105513861209470722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229688761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199854 + ... + 200999.

It is an arithmetic number, because the mean of its divisors is an integer number (38481984).

Almost surely, 2^229688769 is an apocalyptic number.

It is an amenable number.

229688769 is a deficient number, since it is larger than the sum of its proper divisors (78167103).

229688769 is a wasteful number, since it uses less digits than its factorization.

229688769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401047.

The product of its digits is 5225472, while the sum is 57.

The square root of 229688769 is about 15155.4864323122. The cubic root of 229688769 is about 612.4160820196.

The spelling of 229688769 in words is "two hundred twenty-nine million, six hundred eighty-eight thousand, seven hundred sixty-nine".