2213256252 has 24 divisors (see below), whose sum is σ = 5169472336. Its totient is φ = 737008128.

The previous prime is 2213256251. The next prime is 2213256289. The reversal of 2213256252 is 2526523122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213256251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80533 + ... + 104460.

Almost surely, 2^2213256252 is an apocalyptic number.

It is an amenable number.

2213256252 is an abundant number, since it is smaller than the sum of its proper divisors (2956216084).

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

2213256252 is a wasteful number, since it uses less digits than its factorization.

2213256252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185997 (or 185995 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 2213256252 is about 47045.2574868073. The cubic root of 2213256252 is about 1303.1984854188.

Adding to 2213256252 its reverse (2526523122), we get a palindrome (4739779374).

The spelling of 2213256252 in words is "two billion, two hundred thirteen million, two hundred fifty-six thousand, two hundred fifty-two".