229168752500 has 30 divisors (see below), whose sum is σ = 501146233434. Its totient is φ = 91667500000.

The previous prime is 229168752497. The next prime is 229168752503. The reversal of 229168752500 is 5257861922.

It is a happy number.

229168752500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (229168752497) and next prime (229168752503).

It can be written as a sum of positive squares in 5 ways, for example, as 152579296996 + 76589455504 = 390614^2 + 276748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229168752503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 45831251 + ... + 45836250.

Almost surely, 2^229168752500 is an apocalyptic number.

229168752500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229168752500 is an abundant number, since it is smaller than the sum of its proper divisors (271977480934).

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

229168752500 is an equidigital number, since it uses as much as digits as its factorization.

229168752500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91667525 (or 91667508 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 229168752500 in words is "two hundred twenty-nine billion, one hundred sixty-eight million, seven hundred fifty-two thousand, five hundred".