405344315222 has 32 divisors (see below), whose sum is σ = 758096043264. Its totient is φ = 157916037600.

The previous prime is 405344315209. The next prime is 405344315261. The reversal of 405344315222 is 222513443504.

It is a happy number.

It is a super-3 number, since 3×405344315222³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2537573 + ... + 2692575.

It is an arithmetic number, because the mean of its divisors is an integer number (23690501352).

Almost surely, 2^405344315222 is an apocalyptic number.

405344315222 is a deficient number, since it is larger than the sum of its proper divisors (352751728042).

405344315222 is a wasteful number, since it uses less digits than its factorization.

405344315222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172004.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 405344315222 its reverse (222513443504), we get a palindrome (627857758726).

The spelling of 405344315222 in words is "four hundred five billion, three hundred forty-four million, three hundred fifteen thousand, two hundred twenty-two".