404322225 has 24 divisors (see below), whose sum is σ = 669680352. Its totient is φ = 215251200.

The previous prime is 404322179. The next prime is 404322229. The reversal of 404322225 is 522223404.

It is a happy number.

It is not a de Polignac number, because 404322225 - 2¹⁰ = 404321201 is a prime.

It is a super-3 number, since 3×404322225³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404322195 and 404322204.

It is not an unprimeable number, because it can be changed into a prime (404322229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39930 + ... + 49020.

It is an arithmetic number, because the mean of its divisors is an integer number (27903348).

Almost surely, 2^404322225 is an apocalyptic number.

It is an amenable number.

404322225 is a deficient number, since it is larger than the sum of its proper divisors (265358127).

404322225 is a wasteful number, since it uses less digits than its factorization.

404322225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9697 (or 9692 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 404322225 is about 20107.7652910511. The cubic root of 404322225 is about 739.4506666927.

Adding to 404322225 its reverse (522223404), we get a palindrome (926545629).

The spelling of 404322225 in words is "four hundred four million, three hundred twenty-two thousand, two hundred twenty-five".