229549761 has 96 divisors (see below), whose sum is σ = 424627200. Its totient is φ = 121927680.

The previous prime is 229549757. The next prime is 229549763. The reversal of 229549761 is 167945922.

It is not a de Polignac number, because 229549761 - 2² = 229549757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229549763) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1189281 + ... + 1189473.

It is an arithmetic number, because the mean of its divisors is an integer number (4423200).

Almost surely, 2^229549761 is an apocalyptic number.

229549761 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

229549761 is a deficient number, since it is larger than the sum of its proper divisors (195077439).

229549761 is a wasteful number, since it uses less digits than its factorization.

229549761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 263 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 229549761 is about 15150.8996762569. The cubic root of 229549761 is about 612.2925120331.

The spelling of 229549761 in words is "two hundred twenty-nine million, five hundred forty-nine thousand, seven hundred sixty-one".