228578230 has 32 divisors (see below), whose sum is σ = 423926784. Its totient is φ = 88672896.

The previous prime is 228578219. The next prime is 228578237. The reversal of 228578230 is 32875822.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 228578230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228578237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140904 + ... + 142516.

It is an arithmetic number, because the mean of its divisors is an integer number (13247712).

Almost surely, 2^228578230 is an apocalyptic number.

228578230 is a deficient number, since it is larger than the sum of its proper divisors (195348554).

228578230 is a wasteful number, since it uses less digits than its factorization.

228578230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 228578230 is about 15118.8038548028. The cubic root of 228578230 is about 611.4274819418.

The spelling of 228578230 in words is "two hundred twenty-eight million, five hundred seventy-eight thousand, two hundred thirty".