2213126256 has 40 divisors (see below), whose sum is σ = 6236993664. Its totient is φ = 670644160.

The previous prime is 2213126221. The next prime is 2213126269. The reversal of 2213126256 is 6526213122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2095236 + ... + 2096291.

Almost surely, 2^2213126256 is an apocalyptic number.

It is an amenable number.

2213126256 is an abundant number, since it is smaller than the sum of its proper divisors (4023867408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2213126256 is a wasteful number, since it uses less digits than its factorization.

2213126256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191549 (or 4191543 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 2213126256 is about 47043.8758607324. The cubic root of 2213126256 is about 1303.1729703876.

Adding to 2213126256 its reverse (6526213122), we get a palindrome (8739339378).

The spelling of 2213126256 in words is "two billion, two hundred thirteen million, one hundred twenty-six thousand, two hundred fifty-six".