229606691 has 4 divisors (see below), whose sum is σ = 231069312. Its totient is φ = 228144072.

The previous prime is 229606667. The next prime is 229606693. The reversal of 229606691 is 196606922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229606691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229606693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731075 + ... + 731388.

It is an arithmetic number, because the mean of its divisors is an integer number (57767328).

Almost surely, 2^229606691 is an apocalyptic number.

229606691 is a deficient number, since it is larger than the sum of its proper divisors (1462621).

229606691 is a wasteful number, since it uses less digits than its factorization.

229606691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462620.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 229606691 is about 15152.7783261024. The cubic root of 229606691 is about 612.3431255054.

The spelling of 229606691 in words is "two hundred twenty-nine million, six hundred six thousand, six hundred ninety-one".