404245122 has 8 divisors (see below), whose sum is σ = 808490256. Its totient is φ = 134748372.

The previous prime is 404245099. The next prime is 404245147. The reversal of 404245122 is 221542404.

It is a happy number.

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

404245122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 404245092 and 404245101.

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, 33687088 + ... + 33687099.

It is an arithmetic number, because the mean of its divisors is an integer number (101061282).

Almost surely, 2^404245122 is an apocalyptic number.

404245122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404245122 is a wasteful number, since it uses less digits than its factorization.

404245122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67374192.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 404245122 is about 20105.8479552592. The cubic root of 404245122 is about 739.4036600516.

Adding to 404245122 its reverse (221542404), we get a palindrome (625787526).

The spelling of 404245122 in words is "four hundred four million, two hundred forty-five thousand, one hundred twenty-two".