2112323222 has 4 divisors (see below), whose sum is σ = 3168484836. Its totient is φ = 1056161610.

The previous prime is 2112323221. The next prime is 2112323231. The reversal of 2112323222 is 2223232112.

It is a happy number.

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

It is a super-2 number, since 2×2112323222² = 8923818788400922568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112323194 and 2112323203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112323221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528080804 + ... + 528080807.

It is an arithmetic number, because the mean of its divisors is an integer number (792121209).

Almost surely, 2^2112323222 is an apocalyptic number.

2112323222 is a deficient number, since it is larger than the sum of its proper divisors (1056161614).

2112323222 is a wasteful number, since it uses less digits than its factorization.

2112323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056161613.

The product of its digits is 576, while the sum is 20.

The square root of 2112323222 is about 45960.0176457756. The cubic root of 2112323222 is about 1283.0791797747.

Adding to 2112323222 its reverse (2223232112), we get a palindrome (4335555334).

The spelling of 2112323222 in words is "two billion, one hundred twelve million, three hundred twenty-three thousand, two hundred twenty-two".