2112522233 has 4 divisors (see below), whose sum is σ = 2112959220. Its totient is φ = 2112085248.

The previous prime is 2112522179. The next prime is 2112522257. The reversal of 2112522233 is 3322252112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 844948624 + 1267573609 = 29068^2 + 35603^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112522233 - 2¹⁰ = 2112521209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112522199 and 2112522208.

It is not an unprimeable number, because it can be changed into a prime (2112527233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211160 + ... + 220937.

It is an arithmetic number, because the mean of its divisors is an integer number (528239805).

Almost surely, 2^2112522233 is an apocalyptic number.

It is an amenable number.

2112522233 is a deficient number, since it is larger than the sum of its proper divisors (436987).

2112522233 is an equidigital number, since it uses as much as digits as its factorization.

2112522233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436986.

The product of its digits is 1440, while the sum is 23.

The square root of 2112522233 is about 45962.1826396441. The cubic root of 2112522233 is about 1283.1194733007.

Adding to 2112522233 its reverse (3322252112), we get a palindrome (5434774345).

The spelling of 2112522233 in words is "two billion, one hundred twelve million, five hundred twenty-two thousand, two hundred thirty-three".