591422 has 24 divisors (see below), whose sum is σ = 1021944. Its totient is φ = 255024.

The previous prime is 591421. The next prime is 591431. The reversal of 591422 is 224195.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 591422.

It is not an unprimeable number, because it can be changed into a prime (591421) 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, 13733 + ... + 13775.

It is an arithmetic number, because the mean of its divisors is an integer number (42581).

2⁵⁹¹⁴²² is an apocalyptic number.

591422 is a deficient number, since it is larger than the sum of its proper divisors (430522).

591422 is a wasteful number, since it uses less digits than its factorization.

591422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 81 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 591422 is about 769.0396608758. The cubic root of 591422 is about 83.9393931680.

The spelling of 591422 in words is "five hundred ninety-one thousand, four hundred twenty-two".