229136900 has 18 divisors (see below), whose sum is σ = 497227290. Its totient is φ = 91654720.

The previous prime is 229136899. The next prime is 229136977. The reversal of 229136900 is 9631922.

It can be written as a sum of positive squares in 3 ways, for example, as 3356224 + 225780676 = 1832^2 + 15026^2 .

It is a super-2 number, since 2×229136900² = 105007437883220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1145585 + ... + 1145784.

Almost surely, 2^229136900 is an apocalyptic number.

229136900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229136900 is an abundant number, since it is smaller than the sum of its proper divisors (268090390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229136900 is a wasteful number, since it uses less digits than its factorization.

229136900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291383 (or 2291376 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 229136900 is about 15137.2685779172. The cubic root of 229136900 is about 611.9252083691.

The spelling of 229136900 in words is "two hundred twenty-nine million, one hundred thirty-six thousand, nine hundred".