422713 has 4 divisors (see below), whose sum is σ = 425700. Its totient is φ = 419728.

The previous prime is 422711. The next prime is 422749. The reversal of 422713 is 317224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29584 + 393129 = 172^2 + 627^2 .

It is a cyclic number.

It is not a de Polignac number, because 422713 - 2¹ = 422711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422711) 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 in 3 ways as a sum of consecutive naturals, for example, 1270 + ... + 1567.

It is an arithmetic number, because the mean of its divisors is an integer number (106425).

2⁴²²⁷¹³ is an apocalyptic number.

It is an amenable number.

422713 is a deficient number, since it is larger than the sum of its proper divisors (2987).

422713 is a wasteful number, since it uses less digits than its factorization.

422713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986.

The product of its digits is 336, while the sum is 19.

The square root of 422713 is about 650.1638255086. The cubic root of 422713 is about 75.0496264149.

Adding to 422713 its reverse (317224), we get a palindrome (739937).

The spelling of 422713 in words is "four hundred twenty-two thousand, seven hundred thirteen".