288208230 has 48 divisors (see below), whose sum is σ = 706892400. Its totient is φ = 75203008.

The previous prime is 288208211. The next prime is 288208237. The reversal of 288208230 is 32802882.

It is a junction number, because it is equal to n+sod(n) for n = 288208191 and 288208200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288208237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64096 + ... + 68444.

It is an arithmetic number, because the mean of its divisors is an integer number (14726925).

Almost surely, 2^288208230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 288208230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353446200).

288208230 is an abundant number, since it is smaller than the sum of its proper divisors (418684170).

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

288208230 is a wasteful number, since it uses less digits than its factorization.

288208230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453 (or 4406 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 288208230 is about 16976.6966751486. The cubic root of 288208230 is about 660.5445689157.

The spelling of 288208230 in words is "two hundred eighty-eight million, two hundred eight thousand, two hundred thirty".