2196256 has 12 divisors (see below), whose sum is σ = 4323942. Its totient is φ = 1098112.

The previous prime is 2196239. The next prime is 2196287. The reversal of 2196256 is 6526912.

It can be written as a sum of positive squares in only one way, i.e., 1648656 + 547600 = 1284^2 + 740^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34285 + ... + 34348.

2^2196256 is an apocalyptic number.

It is an amenable number.

2196256 is a deficient number, since it is larger than the sum of its proper divisors (2127686).

2196256 is an equidigital number, since it uses as much as digits as its factorization.

2196256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68643 (or 68635 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 2196256 is about 1481.9770578521. The cubic root of 2196256 is about 129.9853237870.

The spelling of 2196256 in words is "two million, one hundred ninety-six thousand, two hundred fifty-six".