405241022 has 8 divisors (see below), whose sum is σ = 608016672. Its totient is φ = 202568800.

The previous prime is 405241009. The next prime is 405241043. The reversal of 405241022 is 220142504.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 405240985 and 405241003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15179 + ... + 32262.

It is an arithmetic number, because the mean of its divisors is an integer number (76002084).

Almost surely, 2^405241022 is an apocalyptic number.

405241022 is a deficient number, since it is larger than the sum of its proper divisors (202775650).

405241022 is a wasteful number, since it uses less digits than its factorization.

405241022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51714.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 405241022 is about 20130.5991465729. The cubic root of 405241022 is about 740.0103614327.

Adding to 405241022 its reverse (220142504), we get a palindrome (625383526).

The spelling of 405241022 in words is "four hundred five million, two hundred forty-one thousand, twenty-two".