422289 has 12 divisors (see below), whose sum is σ = 697216. Its totient is φ = 241272.

The previous prime is 422287. The next prime is 422291. The reversal of 422289 is 982224.

It is an interprime number because it is at equal distance from previous prime (422287) and next prime (422291).

It is not a de Polignac number, because 422289 - 2¹ = 422287 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3289 + ... + 3414.

2⁴²²²⁸⁹ is an apocalyptic number.

It is an amenable number.

422289 is a deficient number, since it is larger than the sum of its proper divisors (274927).

422289 is a wasteful number, since it uses less digits than its factorization.

422289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716 (or 6713 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 422289 is about 649.8376720382. The cubic root of 422289 is about 75.0245253126.

The spelling of 422289 in words is "four hundred twenty-two thousand, two hundred eighty-nine".