422386 has 4 divisors (see below), whose sum is σ = 633582. Its totient is φ = 211192.

The previous prime is 422377. The next prime is 422393. The reversal of 422386 is 683224.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 286225 + 136161 = 535^2 + 369^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 422386.

It is an unprimeable number.

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, 105595 + ... + 105598.

2⁴²²³⁸⁶ is an apocalyptic number.

422386 is a deficient number, since it is larger than the sum of its proper divisors (211196).

422386 is a wasteful number, since it uses less digits than its factorization.

422386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211195.

The product of its digits is 2304, while the sum is 25.

The square root of 422386 is about 649.9123017762. The cubic root of 422386 is about 75.0302692635.

It can be divided in two parts, 422 and 386, that added together give a palindrome (808).

The spelling of 422386 in words is "four hundred twenty-two thousand, three hundred eighty-six".