229751128 has 16 divisors (see below), whose sum is σ = 434177280. Its totient is φ = 113970528.

The previous prime is 229751113. The next prime is 229751143. The reversal of 229751128 is 821157922.

It is an interprime number because it is at equal distance from previous prime (229751113) and next prime (229751143).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112051 + ... + 114082.

It is an arithmetic number, because the mean of its divisors is an integer number (27136080).

Almost surely, 2^229751128 is an apocalyptic number.

It is an amenable number.

229751128 is a deficient number, since it is larger than the sum of its proper divisors (204426152).

229751128 is a wasteful number, since it uses less digits than its factorization.

229751128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226266 (or 226262 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 229751128 is about 15157.5436004651. The cubic root of 229751128 is about 612.4714993263.

The spelling of 229751128 in words is "two hundred twenty-nine million, seven hundred fifty-one thousand, one hundred twenty-eight".