229690859 has 8 divisors (see below), whose sum is σ = 245711088. Its totient is φ = 213949440.

The previous prime is 229690819. The next prime is 229690861. The reversal of 229690859 is 958096922.

It is a happy number.

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 229690859 - 2⁸ = 229690603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229690819) 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 in 7 ways as a sum of consecutive naturals, for example, 67997 + ... + 71294.

It is an arithmetic number, because the mean of its divisors is an integer number (30713886).

Almost surely, 2^229690859 is an apocalyptic number.

229690859 is a deficient number, since it is larger than the sum of its proper divisors (16020229).

229690859 is a wasteful number, since it uses less digits than its factorization.

229690859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139405.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 229690859 is about 15155.5553840828. Note that the first 3 decimals coincide. The cubic root of 229690859 is about 612.4179395270.

The spelling of 229690859 in words is "two hundred twenty-nine million, six hundred ninety thousand, eight hundred fifty-nine".