404024422 has 4 divisors (see below), whose sum is σ = 606036636. Its totient is φ = 202012210.

The previous prime is 404024419. The next prime is 404024429. The reversal of 404024422 is 224420404.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 404024393 and 404024402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404024429) by changing a digit.

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 as a sum of consecutive naturals, namely, 101006104 + ... + 101006107.

It is an arithmetic number, because the mean of its divisors is an integer number (151509159).

Almost surely, 2^404024422 is an apocalyptic number.

404024422 is a deficient number, since it is larger than the sum of its proper divisors (202012214).

404024422 is a wasteful number, since it uses less digits than its factorization.

404024422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202012213.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 404024422 is about 20100.3587530173. The cubic root of 404024422 is about 739.2690749649.

Adding to 404024422 its reverse (224420404), we get a palindrome (628444826).

The spelling of 404024422 in words is "four hundred four million, twenty-four thousand, four hundred twenty-two".