288422641 has 8 divisors (see below), whose sum is σ = 326957120. Its totient is φ = 252223632.

The previous prime is 288422627. The next prime is 288422647. The reversal of 288422641 is 146224882.

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

It is not a de Polignac number, because 288422641 - 2⁷ = 288422513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 288422641.

It is not an unprimeable number, because it can be changed into a prime (288422647) 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, 583605 + ... + 584098.

It is an arithmetic number, because the mean of its divisors is an integer number (40869640).

Almost surely, 2^288422641 is an apocalyptic number.

It is an amenable number.

288422641 is a deficient number, since it is larger than the sum of its proper divisors (38534479).

288422641 is a wasteful number, since it uses less digits than its factorization.

288422641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167735.

The product of its digits is 49152, while the sum is 37.

The square root of 288422641 is about 16983.0103633013. The cubic root of 288422641 is about 660.7083312007.

The spelling of 288422641 in words is "two hundred eighty-eight million, four hundred twenty-two thousand, six hundred forty-one".