229743760 has 20 divisors (see below), whose sum is σ = 534154428. Its totient is φ = 91897472.

The previous prime is 229743733. The next prime is 229743809. The reversal of 229743760 is 67347922.

It can be written as a sum of positive squares in 2 ways, for example, as 28217344 + 201526416 = 5312^2 + 14196^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

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 3 ways as a sum of consecutive naturals, for example, 1435819 + ... + 1435978.

Almost surely, 2^229743760 is an apocalyptic number.

229743760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229743760 is an abundant number, since it is smaller than the sum of its proper divisors (304410668).

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

229743760 is a wasteful number, since it uses less digits than its factorization.

229743760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871810 (or 2871804 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 229743760 is about 15157.3005512195. The cubic root of 229743760 is about 612.4649520415.

The spelling of 229743760 in words is "two hundred twenty-nine million, seven hundred forty-three thousand, seven hundred sixty".