2312223321222 has 16 divisors (see below), whose sum is σ = 5138274047280. Its totient is φ = 770741107056.

The previous prime is 2312223321217. The next prime is 2312223321229. The reversal of 2312223321222 is 2221233222132.

2312223321222 is a `hidden beast` number, since 2 + 312 + 2 + 2 + 3 + 321 + 2 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312223321229) by changing a digit.

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, 21409475143 + ... + 21409475250.

It is an arithmetic number, because the mean of its divisors is an integer number (321142127955).

Almost surely, 2^{2312223321222} is an apocalyptic number.

2312223321222 is an abundant number, since it is smaller than the sum of its proper divisors (2826050726058).

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

2312223321222 is a wasteful number, since it uses less digits than its factorization.

2312223321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42818950404 (or 42818950398 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 2312223321222 its reverse (2221233222132), we get a palindrome (4533456543354).

The spelling of 2312223321222 in words is "two trillion, three hundred twelve billion, two hundred twenty-three million, three hundred twenty-one thousand, two hundred twenty-two".