2212321222 has 8 divisors (see below), whose sum is σ = 3320319672. Its totient is φ = 1105548000.

The previous prime is 2212321213. The next prime is 2212321273. The reversal of 2212321222 is 2221232122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2212321222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301779 + ... + 309022.

It is an arithmetic number, because the mean of its divisors is an integer number (415039959).

Almost surely, 2^2212321222 is an apocalyptic number.

2212321222 is a deficient number, since it is larger than the sum of its proper divisors (1107998450).

2212321222 is a wasteful number, since it uses less digits than its factorization.

2212321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612614.

The product of its digits is 384, while the sum is 19.

The square root of 2212321222 is about 47035.3188784768. The cubic root of 2212321222 is about 1303.0149396718.

Adding to 2212321222 its reverse (2221232122), we get a palindrome (4433553344).

It can be divided in two parts, 221232122 and 2, that multiplied together give a palindrome (442464244).

The spelling of 2212321222 in words is "two billion, two hundred twelve million, three hundred twenty-one thousand, two hundred twenty-two".