288864422 has 16 divisors (see below), whose sum is σ = 540214272. Its totient is φ = 112544520.

The previous prime is 288864377. The next prime is 288864473. The reversal of 288864422 is 224468882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937718 + ... + 938025.

It is an arithmetic number, because the mean of its divisors is an integer number (33763392).

Almost surely, 2^288864422 is an apocalyptic number.

288864422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

288864422 is a deficient number, since it is larger than the sum of its proper divisors (251349850).

288864422 is a wasteful number, since it uses less digits than its factorization.

288864422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875763.

The product of its digits is 393216, while the sum is 44.

The square root of 288864422 is about 16996.0119439826. The cubic root of 288864422 is about 661.0454978474.

The spelling of 288864422 in words is "two hundred eighty-eight million, eight hundred sixty-four thousand, four hundred twenty-two".