228838584 has 64 divisors (see below), whose sum is σ = 648547200. Its totient is φ = 66704256.

The previous prime is 228838583. The next prime is 228838591. The reversal of 228838584 is 485838822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228838583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13374 + ... + 25229.

It is an arithmetic number, because the mean of its divisors is an integer number (10133550).

Almost surely, 2^228838584 is an apocalyptic number.

228838584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228838584 is an abundant number, since it is smaller than the sum of its proper divisors (419708616).

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

228838584 is a wasteful number, since it uses less digits than its factorization.

228838584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38644 (or 38640 counting only the distinct ones).

The product of its digits is 983040, while the sum is 48.

The square root of 228838584 is about 15127.4116754982. The cubic root of 228838584 is about 611.6595355219.

The spelling of 228838584 in words is "two hundred twenty-eight million, eight hundred thirty-eight thousand, five hundred eighty-four".