229671740 has 12 divisors (see below), whose sum is σ = 482310696. Its totient is φ = 91868688.

The previous prime is 229671733. The next prime is 229671749. The reversal of 229671740 is 47176922.

It is a junction number, because it is equal to n+sod(n) for n = 229671694 and 229671703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229671749) 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 3 ways as a sum of consecutive naturals, for example, 5741774 + ... + 5741813.

It is an arithmetic number, because the mean of its divisors is an integer number (40192558).

Almost surely, 2^229671740 is an apocalyptic number.

229671740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229671740 is an abundant number, since it is smaller than the sum of its proper divisors (252638956).

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

229671740 is a wasteful number, since it uses less digits than its factorization.

229671740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11483596 (or 11483594 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 229671740 is about 15154.9246121517. The cubic root of 229671740 is about 612.4009469142.

The spelling of 229671740 in words is "two hundred twenty-nine million, six hundred seventy-one thousand, seven hundred forty".