229056689 has 4 divisors (see below), whose sum is σ = 229671156. Its totient is φ = 228442224.

The previous prime is 229056649. The next prime is 229056697. The reversal of 229056689 is 986650922.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 986650922 = 2 ⋅493325461.

It can be written as a sum of positive squares in 2 ways, for example, as 107329600 + 121727089 = 10360^2 + 11033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229056689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229056649) 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 3 ways as a sum of consecutive naturals, for example, 306674 + ... + 307419.

It is an arithmetic number, because the mean of its divisors is an integer number (57417789).

Almost surely, 2^229056689 is an apocalyptic number.

It is an amenable number.

229056689 is a deficient number, since it is larger than the sum of its proper divisors (614467).

229056689 is an equidigital number, since it uses as much as digits as its factorization.

229056689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614466.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 229056689 is about 15134.6188917990. The cubic root of 229056689 is about 611.8537971134.

The spelling of 229056689 in words is "two hundred twenty-nine million, fifty-six thousand, six hundred eighty-nine".