422392 has 16 divisors (see below), whose sum is σ = 813960. Its totient is φ = 205344.

The previous prime is 422377. The next prime is 422393. The reversal of 422392 is 293224.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422393) 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, 418 + ... + 1009.

2⁴²²³⁹² is an apocalyptic number.

It is an amenable number.

422392 is a deficient number, since it is larger than the sum of its proper divisors (391568).

422392 is a wasteful number, since it uses less digits than its factorization.

422392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470 (or 1466 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 422392 is about 649.9169177672. The cubic root of 422392 is about 75.0306245305.

The spelling of 422392 in words is "four hundred twenty-two thousand, three hundred ninety-two".