2212111222 has 4 divisors (see below), whose sum is σ = 3318166836. Its totient is φ = 1106055610.

The previous prime is 2212111219. The next prime is 2212111243. The reversal of 2212111222 is 2221112122.

It is a happy number.

2212111222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

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

It is a junction number, because it is equal to n+sod(n) for n = 2212111196 and 2212111205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553027804 + ... + 553027807.

It is an arithmetic number, because the mean of its divisors is an integer number (829541709).

Almost surely, 2^2212111222 is an apocalyptic number.

2212111222 is a deficient number, since it is larger than the sum of its proper divisors (1106055614).

2212111222 is a wasteful number, since it uses less digits than its factorization.

2212111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106055613.

The product of its digits is 64, while the sum is 16.

The square root of 2212111222 is about 47033.0864604908. The cubic root of 2212111222 is about 1302.9737097043.

Adding to 2212111222 its reverse (2221112122), we get a palindrome (4433223344).

The spelling of 2212111222 in words is "two billion, two hundred twelve million, one hundred eleven thousand, two hundred twenty-two".