404042226 has 32 divisors (see below), whose sum is σ = 924547200. Its totient is φ = 115312896.

The previous prime is 404042209. The next prime is 404042231. The reversal of 404042226 is 622240404.

It is a junction number, because it is equal to n+sod(n) for n = 404042196 and 404042205.

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 15 ways as a sum of consecutive naturals, for example, 37050 + ... + 46698.

It is an arithmetic number, because the mean of its divisors is an integer number (28892100).

Almost surely, 2^404042226 is an apocalyptic number.

404042226 is an abundant number, since it is smaller than the sum of its proper divisors (520504974).

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

404042226 is a wasteful number, since it uses less digits than its factorization.

404042226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10658.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 404042226 is about 20100.8016258059. The cubic root of 404042226 is about 739.2799338409.

The spelling of 404042226 in words is "four hundred four million, forty-two thousand, two hundred twenty-six".