2213256 has 16 divisors (see below), whose sum is σ = 5533200. Its totient is φ = 737744.

The previous prime is 2213243. The next prime is 2213279. The reversal of 2213256 is 6523122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46086 + ... + 46133.

It is an arithmetic number, because the mean of its divisors is an integer number (345825).

2^2213256 is an apocalyptic number.

It is an amenable number.

2213256 is an abundant number, since it is smaller than the sum of its proper divisors (3319944).

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

2213256 is a wasteful number, since it uses less digits than its factorization.

2213256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92228 (or 92224 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 2213256 is about 1487.7015829796. The cubic root of 2213256 is about 130.3198435958.

Adding to 2213256 its reverse (6523122), we get a palindrome (8736378).

The spelling of 2213256 in words is "two million, two hundred thirteen thousand, two hundred fifty-six".