404660226 has 16 divisors (see below), whose sum is σ = 809978400. Its totient is φ = 134777088.

The previous prime is 404660209. The next prime is 404660239. The reversal of 404660226 is 622066404.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 404660193 and 404660202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19231 + ... + 34338.

It is an arithmetic number, because the mean of its divisors is an integer number (50623650).

Almost surely, 2^404660226 is an apocalyptic number.

404660226 is an abundant number, since it is smaller than the sum of its proper divisors (405318174).

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

404660226 is a wasteful number, since it uses less digits than its factorization.

404660226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54833.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 404660226 is about 20116.1682733069. The cubic root of 404660226 is about 739.6566620068.

The spelling of 404660226 in words is "four hundred four million, six hundred sixty thousand, two hundred twenty-six".