404502122 has 8 divisors (see below), whose sum is σ = 610771872. Its totient is φ = 200911500.

The previous prime is 404502113. The next prime is 404502143. The reversal of 404502122 is 221205404.

It is a happy number.

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 = 404502094 and 404502103.

It is an unprimeable 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, 669404 + ... + 670007.

It is an arithmetic number, because the mean of its divisors is an integer number (76346484).

Almost surely, 2^404502122 is an apocalyptic number.

404502122 is a deficient number, since it is larger than the sum of its proper divisors (206269750).

404502122 is a wasteful number, since it uses less digits than its factorization.

404502122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339564.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 404502122 is about 20112.2381151378. The cubic root of 404502122 is about 739.5603195258.

Adding to 404502122 its reverse (221205404), we get a palindrome (625707526).

The spelling of 404502122 in words is "four hundred four million, five hundred two thousand, one hundred twenty-two".