229676813 has 6 divisors (see below), whose sum is σ = 230407434. Its totient is φ = 228948384.

The previous prime is 229676771. The next prime is 229676819. The reversal of 229676813 is 318676922.

229676813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 202407529 + 27269284 = 14227^2 + 5222^2 .

It is not a de Polignac number, because 229676813 - 2²⁴ = 212899597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229676819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166595 + ... + 167967.

It is an arithmetic number, because the mean of its divisors is an integer number (38401239).

Almost surely, 2^229676813 is an apocalyptic number.

It is an amenable number.

229676813 is a deficient number, since it is larger than the sum of its proper divisors (730621).

229676813 is an frugal number, since it uses more digits than its factorization.

229676813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191 (or 1782 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 229676813 is about 15155.0919825648. The cubic root of 229676813 is about 612.4054557944.

The spelling of 229676813 in words is "two hundred twenty-nine million, six hundred seventy-six thousand, eight hundred thirteen".