288500222 has 4 divisors (see below), whose sum is σ = 432750336. Its totient is φ = 144250110.

The previous prime is 288500203. The next prime is 288500227. The reversal of 288500222 is 222005882.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288500227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72125054 + ... + 72125057.

It is an arithmetic number, because the mean of its divisors is an integer number (108187584).

Almost surely, 2^288500222 is an apocalyptic number.

288500222 is a deficient number, since it is larger than the sum of its proper divisors (144250114).

288500222 is a wasteful number, since it uses less digits than its factorization.

288500222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144250113.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 288500222 is about 16985.2942865292. The cubic root of 288500222 is about 660.7675658221.

The spelling of 288500222 in words is "two hundred eighty-eight million, five hundred thousand, two hundred twenty-two".