228300530 has 48 divisors (see below), whose sum is σ = 434790720. Its totient is φ = 86295264.

The previous prime is 228300517. The next prime is 228300539. The reversal of 228300530 is 35003822.

It is a super-2 number, since 2×228300530² = 104242263996561800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 228300496 and 228300505.

It is not an unprimeable number, because it can be changed into a prime (228300539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 544661 + ... + 545079.

It is an arithmetic number, because the mean of its divisors is an integer number (9058140).

Almost surely, 2^228300530 is an apocalyptic number.

228300530 is a deficient number, since it is larger than the sum of its proper divisors (206490190).

228300530 is a wasteful number, since it uses less digits than its factorization.

228300530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 228300530 is about 15109.6171361157. The cubic root of 228300530 is about 611.1797735767.

The spelling of 228300530 in words is "two hundred twenty-eight million, three hundred thousand, five hundred thirty".