2112224155 has 4 divisors (see below), whose sum is σ = 2534668992. Its totient is φ = 1689779320.

The previous prime is 2112224087. The next prime is 2112224171. The reversal of 2112224155 is 5514222112.

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

It is not a de Polignac number, because 2112224155 - 2⁹ = 2112223643 is a prime.

It is a super-2 number, since 2×2112224155² = 8922981761930928050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211222411 + ... + 211222420.

It is an arithmetic number, because the mean of its divisors is an integer number (633667248).

Almost surely, 2^2112224155 is an apocalyptic number.

2112224155 is a deficient number, since it is larger than the sum of its proper divisors (422444837).

2112224155 is an equidigital number, since it uses as much as digits as its factorization.

2112224155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422444836.

The product of its digits is 1600, while the sum is 25.

The square root of 2112224155 is about 45958.9398811591. The cubic root of 2112224155 is about 1283.0591208508.

Adding to 2112224155 its reverse (5514222112), we get a palindrome (7626446267).

The spelling of 2112224155 in words is "two billion, one hundred twelve million, two hundred twenty-four thousand, one hundred fifty-five".