222000000312 has 64 divisors (see below), whose sum is σ = 559282320000. Its totient is φ = 73430017664.

The previous prime is 222000000301. The next prime is 222000000319. The reversal of 222000000312 is 213000000222.

222000000312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000000319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3613483 + ... + 3674405.

It is an arithmetic number, because the mean of its divisors is an integer number (8738786250).

Almost surely, 2^222000000312 is an apocalyptic number.

It is an amenable number.

222000000312 is an abundant number, since it is smaller than the sum of its proper divisors (337282319688).

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

222000000312 is a wasteful number, since it uses less digits than its factorization.

222000000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62100 (or 62096 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 222000000312 its reverse (213000000222), we get a palindrome (435000000534).

The spelling of 222000000312 in words is "two hundred twenty-two billion, three hundred twelve", and thus it is an aban number.