312213310222 has 32 divisors (see below), whose sum is σ = 527123220480. Its totient is φ = 137474956320.

The previous prime is 312213310217. The next prime is 312213310247. The reversal of 312213310222 is 222013312213.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 312213310193 and 312213310202.

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 15 ways as a sum of consecutive naturals, for example, 1602598 + ... + 1786825.

It is an arithmetic number, because the mean of its divisors is an integer number (16472600640).

Almost surely, 2^312213310222 is an apocalyptic number.

312213310222 is a deficient number, since it is larger than the sum of its proper divisors (214909910258).

312213310222 is a wasteful number, since it uses less digits than its factorization.

312213310222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389568.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312213310222 its reverse (222013312213), we get a palindrome (534226622435).

The spelling of 312213310222 in words is "three hundred twelve billion, two hundred thirteen million, three hundred ten thousand, two hundred twenty-two".