288422 has 12 divisors (see below), whose sum is σ = 460500. Its totient is φ = 135456.

The previous prime is 288413. The next prime is 288427. The reversal of 288422 is 224882.

It is a junction number, because it is equal to n+sod(n) for n = 288391 and 288400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329 + ... + 827.

It is an arithmetic number, because the mean of its divisors is an integer number (38375).

2²⁸⁸⁴²² is an apocalyptic number.

288422 is a deficient number, since it is larger than the sum of its proper divisors (172078).

288422 is a wasteful number, since it uses less digits than its factorization.

288422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 518 counting only the distinct ones).

The product of its digits is 2048, while the sum is 26.

The square root of 288422 is about 537.0493459637. The cubic root of 288422 is about 66.0707841740.

The spelling of 288422 in words is "two hundred eighty-eight thousand, four hundred twenty-two".