289022 has 4 divisors (see below), whose sum is σ = 433536. Its totient is φ = 144510.

The previous prime is 289021. The next prime is 289031. The reversal of 289022 is 220982.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220982 = 2 ⋅110491.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289022.

It is not an unprimeable number, because it can be changed into a prime (289021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72254 + ... + 72257.

It is an arithmetic number, because the mean of its divisors is an integer number (108384).

2²⁸⁹⁰²² is an apocalyptic number.

289022 is a deficient number, since it is larger than the sum of its proper divisors (144514).

289022 is a wasteful number, since it uses less digits than its factorization.

289022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144513.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 289022 is about 537.6076636359. The cubic root of 289022 is about 66.1165677978.

The spelling of 289022 in words is "two hundred eighty-nine thousand, twenty-two".