228247130 has 8 divisors (see below), whose sum is σ = 410844852. Its totient is φ = 91298848.

The previous prime is 228247121. The next prime is 228247183. The reversal of 228247130 is 31742822.

It can be written as a sum of positive squares in 2 ways, for example, as 198838201 + 29408929 = 14101^2 + 5423^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 228247093 and 228247102.

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, 11412347 + ... + 11412366.

Almost surely, 2^228247130 is an apocalyptic number.

228247130 is a deficient number, since it is larger than the sum of its proper divisors (182597722).

228247130 is a wasteful number, since it uses less digits than its factorization.

228247130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22824720.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 228247130 is about 15107.8499463027. The cubic root of 228247130 is about 611.1321177597.

Adding to 228247130 its reverse (31742822), we get a palindrome (259989952).

The spelling of 228247130 in words is "two hundred twenty-eight million, two hundred forty-seven thousand, one hundred thirty".