423922 has 8 divisors (see below), whose sum is σ = 657900. Its totient is φ = 204624.

The previous prime is 423887. The next prime is 423931. The reversal of 423922 is 229324.

It can be written as a sum of positive squares in 2 ways, for example, as 423801 + 121 = 651^2 + 11^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 423893 and 423902.

It is an unprimeable number.

423922 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3597 + ... + 3712.

2⁴²³⁹²² is an apocalyptic number.

423922 is a deficient number, since it is larger than the sum of its proper divisors (233978).

423922 is a wasteful number, since it uses less digits than its factorization.

423922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340.

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

The square root of 423922 is about 651.0929273153. The cubic root of 423922 is about 75.1211080364.

The spelling of 423922 in words is "four hundred twenty-three thousand, nine hundred twenty-two".