404227455 has 8 divisors (see below), whose sum is σ = 646763952. Its totient is φ = 215587968.

The previous prime is 404227441. The next prime is 404227463. The reversal of 404227455 is 554722404.

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

It is not a de Polignac number, because 404227455 - 2⁵ = 404227423 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 13474234 + ... + 13474263.

It is an arithmetic number, because the mean of its divisors is an integer number (80845494).

Almost surely, 2^404227455 is an apocalyptic number.

404227455 is a deficient number, since it is larger than the sum of its proper divisors (242536497).

404227455 is a wasteful number, since it uses less digits than its factorization.

404227455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26948505.

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 404227455 is about 20105.4086006726. The cubic root of 404227455 is about 739.3928883407.

Adding to 404227455 its reverse (554722404), we get a palindrome (958949859).

The spelling of 404227455 in words is "four hundred four million, two hundred twenty-seven thousand, four hundred fifty-five".