422449 has 4 divisors (see below), whose sum is σ = 423936. Its totient is φ = 420964.

The previous prime is 422431. The next prime is 422453. The reversal of 422449 is 944224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 422449 - 2⁷ = 422321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169 + ... + 934.

It is an arithmetic number, because the mean of its divisors is an integer number (105984).

2⁴²²⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

422449 is a deficient number, since it is larger than the sum of its proper divisors (1487).

422449 is a wasteful number, since it uses less digits than its factorization.

422449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486.

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

The square root of 422449 is about 649.9607680468. The cubic root of 422449 is about 75.0339993997.

The spelling of 422449 in words is "four hundred twenty-two thousand, four hundred forty-nine".