288282881 has 8 divisors (see below), whose sum is σ = 298831680. Its totient is φ = 277774672.

The previous prime is 288282871. The next prime is 288282887. The reversal of 288282881 is 188282882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 288282881 - 2¹⁸ = 288020737 is a prime.

It is a super-2 number, since 2×288282881² = 166214038955320322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288282887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4706 + ... + 24468.

It is an arithmetic number, because the mean of its divisors is an integer number (37353960).

Almost surely, 2^288282881 is an apocalyptic number.

It is an amenable number.

288282881 is a deficient number, since it is larger than the sum of its proper divisors (10548799).

288282881 is a wasteful number, since it uses less digits than its factorization.

288282881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20295.

The product of its digits is 262144, while the sum is 47.

The square root of 288282881 is about 16978.8951642915. The cubic root of 288282881 is about 660.6015948789.

Subtracting from 288282881 its reverse (188282882), we obtain a palindrome (99999999).

The spelling of 288282881 in words is "two hundred eighty-eight million, two hundred eighty-two thousand, eight hundred eighty-one".