228203130 has 32 divisors (see below), whose sum is σ = 561048768. Its totient is φ = 59369600.

The previous prime is 228203083. The next prime is 228203147. The reversal of 228203130 is 31302822.

It is a junction number, because it is equal to n+sod(n) for n = 228203097 and 228203106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91536 + ... + 93995.

It is an arithmetic number, because the mean of its divisors is an integer number (17532774).

Almost surely, 2^228203130 is an apocalyptic number.

228203130 is an abundant number, since it is smaller than the sum of its proper divisors (332845638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228203130 is a wasteful number, since it uses less digits than its factorization.

228203130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185582.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 228203130 is about 15106.3936794988. The cubic root of 228203130 is about 611.0928452086.

Adding to 228203130 its reverse (31302822), we get a palindrome (259505952).

The spelling of 228203130 in words is "two hundred twenty-eight million, two hundred three thousand, one hundred thirty".