2331211222 has 16 divisors (see below), whose sum is σ = 3610801152. Its totient is φ = 1127635560.

The previous prime is 2331211217. The next prime is 2331211243. The reversal of 2331211222 is 2221121332.

It is a self number, because there is not a number n which added to its sum of digits gives 2331211222.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 339273 + ... + 346075.

It is an arithmetic number, because the mean of its divisors is an integer number (225675072).

Almost surely, 2^2331211222 is an apocalyptic number.

2331211222 is a deficient number, since it is larger than the sum of its proper divisors (1279589930).

2331211222 is a wasteful number, since it uses less digits than its factorization.

2331211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12363.

The product of its digits is 288, while the sum is 19.

The square root of 2331211222 is about 48282.6182181538. The cubic root of 2331211222 is about 1325.9501853195.

Adding to 2331211222 its reverse (2221121332), we get a palindrome (4552332554).

The spelling of 2331211222 in words is "two billion, three hundred thirty-one million, two hundred eleven thousand, two hundred twenty-two".