288886228 has 12 divisors (see below), whose sum is σ = 505683360. Its totient is φ = 144405272.

The previous prime is 288886217. The next prime is 288886237. The reversal of 288886228 is 822688882.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14403 + ... + 28021.

It is an arithmetic number, because the mean of its divisors is an integer number (42140280).

Almost surely, 2^288886228 is an apocalyptic number.

It is an amenable number.

288886228 is a deficient number, since it is larger than the sum of its proper divisors (216797132).

288886228 is a wasteful number, since it uses less digits than its factorization.

288886228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18926 (or 18924 counting only the distinct ones).

The product of its digits is 1572864, while the sum is 52.

The square root of 288886228 is about 16996.6534353090. The cubic root of 288886228 is about 661.0621312509.

The spelling of 288886228 in words is "two hundred eighty-eight million, eight hundred eighty-six thousand, two hundred twenty-eight".