312220333322 has 16 divisors (see below), whose sum is σ = 474978556800. Its totient is φ = 153900146400.

The previous prime is 312220333307. The next prime is 312220333333. The reversal of 312220333322 is 223333022213.

It is a junction number, because it is equal to n+sod(n) for n = 312220333291 and 312220333300.

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, 1395179 + ... + 1603422.

It is an arithmetic number, because the mean of its divisors is an integer number (29686159800).

Almost surely, 2^312220333322 is an apocalyptic number.

312220333322 is a deficient number, since it is larger than the sum of its proper divisors (162758223478).

312220333322 is a wasteful number, since it uses less digits than its factorization.

312220333322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999341.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 312220333322 its reverse (223333022213), we get a palindrome (535553355535).

The spelling of 312220333322 in words is "three hundred twelve billion, two hundred twenty million, three hundred thirty-three thousand, three hundred twenty-two".