229527813 has 12 divisors (see below), whose sum is σ = 316110464. Its totient is φ = 147988200.

The previous prime is 229527803. The next prime is 229527817. The reversal of 229527813 is 318725922.

It is not a de Polignac number, because 229527813 - 2⁹ = 229527301 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 (229527817) 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 11 ways as a sum of consecutive naturals, for example, 145318 + ... + 146888.

Almost surely, 2^229527813 is an apocalyptic number.

It is an amenable number.

229527813 is a deficient number, since it is larger than the sum of its proper divisors (86582651).

229527813 is an frugal number, since it uses more digits than its factorization.

229527813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176 (or 1605 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 229527813 is about 15150.1753455199. The cubic root of 229527813 is about 612.2729969843.

The spelling of 229527813 in words is "two hundred twenty-nine million, five hundred twenty-seven thousand, eight hundred thirteen".