288764223 has 32 divisors (see below), whose sum is σ = 457401600. Its totient is φ = 160070400.

The previous prime is 288764219. The next prime is 288764239. The reversal of 288764223 is 322467882.

It is not a de Polignac number, because 288764223 - 2² = 288764219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288764213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10243 + ... + 26123.

It is an arithmetic number, because the mean of its divisors is an integer number (14293800).

Almost surely, 2^288764223 is an apocalyptic number.

288764223 is a deficient number, since it is larger than the sum of its proper divisors (168637377).

288764223 is a wasteful number, since it uses less digits than its factorization.

288764223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15943.

The product of its digits is 258048, while the sum is 42.

The square root of 288764223 is about 16993.0639673956. The cubic root of 288764223 is about 660.9690562682.

The spelling of 288764223 in words is "two hundred eighty-eight million, seven hundred sixty-four thousand, two hundred twenty-three".