405312221402222 has 16 divisors (see below), whose sum is σ = 608024646588240. Its totient is φ = 202637339872512.

The previous prime is 405312221402219. The next prime is 405312221402323. The reversal of 405312221402222 is 222204122213504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527543038 + ... + 1527808350.

It is an arithmetic number, because the mean of its divisors is an integer number (38001540411765).

Almost surely, 2^{405312221402222} is an apocalyptic number.

405312221402222 is a deficient number, since it is larger than the sum of its proper divisors (202712425186018).

405312221402222 is a wasteful number, since it uses less digits than its factorization.

405312221402222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333187.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 405312221402222 its reverse (222204122213504), we get a palindrome (627516343615726).

The spelling of 405312221402222 in words is "four hundred five trillion, three hundred twelve billion, two hundred twenty-one million, four hundred two thousand, two hundred twenty-two".