228630229 has 8 divisors (see below), whose sum is σ = 250427160. Its totient is φ = 207760896.

The previous prime is 228630221. The next prime is 228630271. The reversal of 228630229 is 922036822.

It can be written as a sum of positive squares in 4 ways, for example, as 30580900 + 198049329 = 5530^2 + 14073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228630229 - 2³ = 228630221 is a prime.

It is a super-2 number, since 2×228630229² = 104543563225184882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228630194 and 228630203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228630221) 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, 231384 + ... + 232369.

It is an arithmetic number, because the mean of its divisors is an integer number (31303395).

Almost surely, 2^228630229 is an apocalyptic number.

228630229 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

228630229 is a deficient number, since it is larger than the sum of its proper divisors (21796931).

228630229 is a wasteful number, since it uses less digits than its factorization.

228630229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463799.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 228630229 is about 15120.5234367068. The cubic root of 228630229 is about 611.4738427392.

The spelling of 228630229 in words is "two hundred twenty-eight million, six hundred thirty thousand, two hundred twenty-nine".