229128104 has 8 divisors (see below), whose sum is σ = 429615210. Its totient is φ = 114564048.

The previous prime is 229128103. The next prime is 229128113. The reversal of 229128104 is 401821922.

229128104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 184905604 + 44222500 = 13598^2 + 6650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (229128103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14320499 + ... + 14320514.

Almost surely, 2^229128104 is an apocalyptic number.

It is an amenable number.

229128104 is a deficient number, since it is larger than the sum of its proper divisors (200487106).

229128104 is a wasteful number, since it uses less digits than its factorization.

229128104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28641019 (or 28641015 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 229128104 is about 15136.9780339406. The cubic root of 229128104 is about 611.9173781695.

The spelling of 229128104 in words is "two hundred twenty-nine million, one hundred twenty-eight thousand, one hundred four".