229251328 has 36 divisors (see below), whose sum is σ = 458575488. Its totient is φ = 114383360.

The previous prime is 229251311. The next prime is 229251343. The reversal of 229251328 is 823152922.

It is a junction number, because it is equal to n+sod(n) for n = 229251293 and 229251302.

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, 232725 + ... + 233707.

It is an arithmetic number, because the mean of its divisors is an integer number (12738208).

Almost surely, 2^229251328 is an apocalyptic number.

It is an amenable number.

229251328 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

229251328 is an frugal number, since it uses more digits than its factorization.

229251328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910 (or 1896 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 229251328 is about 15141.0477840868. The cubic root of 229251328 is about 612.0270539253.

The spelling of 229251328 in words is "two hundred twenty-nine million, two hundred fifty-one thousand, three hundred twenty-eight".