312022200222 has 16 divisors (see below), whose sum is σ = 693382667280. Its totient is φ = 104007400056.

The previous prime is 312022200187. The next prime is 312022200239. The reversal of 312022200222 is 222002220213.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 312022200195 and 312022200204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2889094393 + ... + 2889094500.

It is an arithmetic number, because the mean of its divisors is an integer number (43336416705).

Almost surely, 2^312022200222 is an apocalyptic number.

312022200222 is an abundant number, since it is smaller than the sum of its proper divisors (381360467058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312022200222 is a wasteful number, since it uses less digits than its factorization.

312022200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5778188904 (or 5778188898 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 312022200222 its reverse (222002220213), we get a palindrome (534024420435).

The spelling of 312022200222 in words is "three hundred twelve billion, twenty-two million, two hundred thousand, two hundred twenty-two".