2113231222 has 4 divisors (see below), whose sum is σ = 3169846836. Its totient is φ = 1056615610.

The previous prime is 2113231217. The next prime is 2113231231. The reversal of 2113231222 is 2221323112.

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

It is a super-2 number, since 2×2113231222² = 8931492395271226568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2113231222.

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, 528307804 + ... + 528307807.

It is an arithmetic number, because the mean of its divisors is an integer number (792461709).

Almost surely, 2^2113231222 is an apocalyptic number.

2113231222 is a deficient number, since it is larger than the sum of its proper divisors (1056615614).

2113231222 is a wasteful number, since it uses less digits than its factorization.

2113231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056615613.

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

The square root of 2113231222 is about 45969.8947355767. The cubic root of 2113231222 is about 1283.2630009168.

Adding to 2113231222 its reverse (2221323112), we get a palindrome (4334554334).

The spelling of 2113231222 in words is "two billion, one hundred thirteen million, two hundred thirty-one thousand, two hundred twenty-two".