229648956 has 24 divisors (see below), whose sum is σ = 547249920. Its totient is φ = 74920752.

The previous prime is 229648949. The next prime is 229648981. The reversal of 229648956 is 659846922.

It is a junction number, because it is equal to n+sod(n) for n = 229648899 and 229648908.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 203026 + ... + 204153.

It is an arithmetic number, because the mean of its divisors is an integer number (22802080).

Almost surely, 2^229648956 is an apocalyptic number.

It is an amenable number.

229648956 is an abundant number, since it is smaller than the sum of its proper divisors (317600964).

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

229648956 is a wasteful number, since it uses less digits than its factorization.

229648956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407233 (or 407231 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The square root of 229648956 is about 15154.1728906595. The cubic root of 229648956 is about 612.3806956858.

The spelling of 229648956 in words is "two hundred twenty-nine million, six hundred forty-eight thousand, nine hundred fifty-six".