422492 has 24 divisors (see below), whose sum is σ = 860160. Its totient is φ = 177840.

The previous prime is 422479. The next prime is 422537. The reversal of 422492 is 294224.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

422492 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2117 + ... + 2307.

It is an arithmetic number, because the mean of its divisors is an integer number (35840).

2⁴²²⁴⁹² is an apocalyptic number.

It is an amenable number.

422492 is an abundant number, since it is smaller than the sum of its proper divisors (437668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422492 is a wasteful number, since it uses less digits than its factorization.

422492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 279 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 422492 is about 649.9938461247. The cubic root of 422492 is about 75.0365451528.

The spelling of 422492 in words is "four hundred twenty-two thousand, four hundred ninety-two".