409922 has 8 divisors (see below), whose sum is σ = 621516. Its totient is φ = 202752.

The previous prime is 409909. The next prime is 409933. The reversal of 409922 is 229904.

It can be written as a sum of positive squares in 2 ways, for example, as 346921 + 63001 = 589^2 + 251^2 .

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 = 409891 and 409900.

It is an unprimeable number.

409922 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 3 ways as a sum of consecutive naturals, for example, 863 + ... + 1250.

2⁴⁰⁹⁹²² is an apocalyptic number.

409922 is a deficient number, since it is larger than the sum of its proper divisors (211594).

409922 is a wasteful number, since it uses less digits than its factorization.

409922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 409922 is about 640.2515130790. The cubic root of 409922 is about 74.2848770686.

It can be divided in two parts, 409 and 922, that added together give a palindrome (1331).

The spelling of 409922 in words is "four hundred nine thousand, nine hundred twenty-two".