404422226 has 32 divisors (see below), whose sum is σ = 687355200. Its totient is φ = 177145920.

The previous prime is 404422217. The next prime is 404422259. The reversal of 404422226 is 622224404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 404422195 and 404422204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39941 + ... + 49031.

It is an arithmetic number, because the mean of its divisors is an integer number (21479850).

Almost surely, 2^404422226 is an apocalyptic number.

404422226 is a deficient number, since it is larger than the sum of its proper divisors (282932974).

404422226 is a wasteful number, since it uses less digits than its factorization.

404422226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9194.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 404422226 is about 20110.2517637149. The cubic root of 404422226 is about 739.5116244356.

The spelling of 404422226 in words is "four hundred four million, four hundred twenty-two thousand, two hundred twenty-six".