404622005 has 16 divisors (see below), whose sum is σ = 512265600. Its totient is φ = 305962560.

The previous prime is 404621993. The next prime is 404622019. The reversal of 404622005 is 500226404.

It is not a de Polignac number, because 404622005 - 2²² = 400427701 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 39176 + ... + 48414.

It is an arithmetic number, because the mean of its divisors is an integer number (32016600).

Almost surely, 2^404622005 is an apocalyptic number.

It is an amenable number.

404622005 is a deficient number, since it is larger than the sum of its proper divisors (107643595).

404622005 is a wasteful number, since it uses less digits than its factorization.

404622005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9724.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 404622005 is about 20115.2182439068. The cubic root of 404622005 is about 739.6333739035.

Adding to 404622005 its reverse (500226404), we get a palindrome (904848409).

The spelling of 404622005 in words is "four hundred four million, six hundred twenty-two thousand, five".