2212031223 has 12 divisors (see below), whose sum is σ = 3225018888. Its totient is φ = 1460904720.

The previous prime is 2212031207. The next prime is 2212031291. The reversal of 2212031223 is 3221302122.

It is not a de Polignac number, because 2212031223 - 2⁴ = 2212031207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2212031196 and 2212031205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212031323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1147548 + ... + 1149473.

It is an arithmetic number, because the mean of its divisors is an integer number (268751574).

Almost surely, 2^2212031223 is an apocalyptic number.

2212031223 is a deficient number, since it is larger than the sum of its proper divisors (1012987665).

2212031223 is a wasteful number, since it uses less digits than its factorization.

2212031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297134 (or 2297131 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2212031223 is about 47032.2359983023. The cubic root of 2212031223 is about 1302.9580025601.

Adding to 2212031223 its reverse (3221302122), we get a palindrome (5433333345).

The spelling of 2212031223 in words is "two billion, two hundred twelve million, thirty-one thousand, two hundred twenty-three".