288022394 has 16 divisors (see below), whose sum is σ = 472586400. Its totient is φ = 130564560.

The previous prime is 288022379. The next prime is 288022421. The reversal of 288022394 is 493220882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9344 + ... + 25755.

It is an arithmetic number, because the mean of its divisors is an integer number (29536650).

Almost surely, 2^288022394 is an apocalyptic number.

288022394 is a deficient number, since it is larger than the sum of its proper divisors (184564006).

288022394 is a wasteful number, since it uses less digits than its factorization.

288022394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35485.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 288022394 is about 16971.2225252042. Note that the first 3 decimals coincide. The cubic root of 288022394 is about 660.4025658535.

The spelling of 288022394 in words is "two hundred eighty-eight million, twenty-two thousand, three hundred ninety-four".