229238228 has 24 divisors (see below), whose sum is σ = 404948544. Its totient is φ = 113544000.

The previous prime is 229238221. The next prime is 229238231. The reversal of 229238228 is 822832922.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 229238191 and 229238200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229238221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381128 + ... + 381728.

It is an arithmetic number, because the mean of its divisors is an integer number (16872856).

Almost surely, 2^229238228 is an apocalyptic number.

It is an amenable number.

229238228 is a deficient number, since it is larger than the sum of its proper divisors (175710316).

229238228 is a wasteful number, since it uses less digits than its factorization.

229238228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 1341 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 229238228 is about 15140.6151790474. The cubic root of 229238228 is about 612.0153961126.

The spelling of 229238228 in words is "two hundred twenty-nine million, two hundred thirty-eight thousand, two hundred twenty-eight".