404222024 has 16 divisors (see below), whose sum is σ = 768299820. Its totient is φ = 199342080.

The previous prime is 404221967. The next prime is 404222053. The reversal of 404222024 is 420222404.

It can be written as a sum of positive squares in 2 ways, for example, as 349017124 + 55204900 = 18682^2 + 7430^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404221987 and 404222005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345497 + ... + 346664.

Almost surely, 2^404222024 is an apocalyptic number.

It is an amenable number.

404222024 is a deficient number, since it is larger than the sum of its proper divisors (364077796).

404222024 is a wasteful number, since it uses less digits than its factorization.

404222024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692240 (or 692236 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 404222024 is about 20105.2735370599. The cubic root of 404222024 is about 739.3895769535.

Adding to 404222024 its reverse (420222404), we get a palindrome (824444428).

The spelling of 404222024 in words is "four hundred four million, two hundred twenty-two thousand, twenty-four".