404565222 has 8 divisors (see below), whose sum is σ = 809130456. Its totient is φ = 134855072.

The previous prime is 404565211. The next prime is 404565223. The reversal of 404565222 is 222565404.

It is a happy number.

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

404565222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 404565222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404565223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33713763 + ... + 33713774.

It is an arithmetic number, because the mean of its divisors is an integer number (101141307).

Almost surely, 2^404565222 is an apocalyptic number.

404565222 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.

404565222 is a wasteful number, since it uses less digits than its factorization.

404565222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67427542.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 404565222 is about 20113.8067505880. The cubic root of 404565222 is about 739.5987732423.

The spelling of 404565222 in words is "four hundred four million, five hundred sixty-five thousand, two hundred twenty-two".