405224017 has 8 divisors (see below), whose sum is σ = 442784160. Its totient is φ = 367784160.

The previous prime is 405223993. The next prime is 405224041. The reversal of 405224017 is 710422504.

It is an interprime number because it is at equal distance from previous prime (405223993) and next prime (405224041).

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-405224017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405223982 and 405224000.

It is not an unprimeable number, because it can be changed into a prime (405224117) by changing a digit.

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, 22948 + ... + 36565.

It is an arithmetic number, because the mean of its divisors is an integer number (55348020).

Almost surely, 2^405224017 is an apocalyptic number.

It is an amenable number.

405224017 is a deficient number, since it is larger than the sum of its proper divisors (37560143).

405224017 is a wasteful number, since it uses less digits than its factorization.

405224017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60143.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 405224017 is about 20130.1767751801. The cubic root of 405224017 is about 740.0000103482. Note that the first 4 decimals are identical.

It can be divided in two parts, 405 and 224017, that added together give a palindrome (224422).

The spelling of 405224017 in words is "four hundred five million, two hundred twenty-four thousand, seventeen".