404224109 has 8 divisors (see below), whose sum is σ = 407958528. Its totient is φ = 400498560.

The previous prime is 404224099. The next prime is 404224129. The reversal of 404224109 is 901422404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404224109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404224129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118589 + ... + 121949.

It is an arithmetic number, because the mean of its divisors is an integer number (50994816).

Almost surely, 2^404224109 is an apocalyptic number.

It is an amenable number.

404224109 is a deficient number, since it is larger than the sum of its proper divisors (3734419).

404224109 is a wasteful number, since it uses less digits than its factorization.

404224109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 404224109 is about 20105.3253890605. The cubic root of 404224109 is about 739.3908482224.

The spelling of 404224109 in words is "four hundred four million, two hundred twenty-four thousand, one hundred nine".