229736228 has 6 divisors (see below), whose sum is σ = 402038406. Its totient is φ = 114868112.

The previous prime is 229736207. The next prime is 229736237. The reversal of 229736228 is 822637922.

229736228 is digitally balanced in base 3, 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., 228856384 + 879844 = 15128^2 + 938^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28717025 + ... + 28717032.

It is an arithmetic number, because the mean of its divisors is an integer number (67006401).

Almost surely, 2^229736228 is an apocalyptic number.

It is an amenable number.

229736228 is a deficient number, since it is larger than the sum of its proper divisors (172302178).

229736228 is a wasteful number, since it uses less digits than its factorization.

229736228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57434061 (or 57434059 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 229736228 is about 15157.0520880546. The cubic root of 229736228 is about 612.4582588797.

The spelling of 229736228 in words is "two hundred twenty-nine million, seven hundred thirty-six thousand, two hundred twenty-eight".