2256196 has 6 divisors (see below), whose sum is σ = 3948350. Its totient is φ = 1128096.

The previous prime is 2256181. The next prime is 2256197. The reversal of 2256196 is 6916522.

It can be written as a sum of positive squares in only one way, i.e., 1638400 + 617796 = 1280^2 + 786^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282021 + ... + 282028.

2^2256196 is an apocalyptic number.

It is an amenable number.

2256196 is a deficient number, since it is larger than the sum of its proper divisors (1692154).

2256196 is a wasteful number, since it uses less digits than its factorization.

2256196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564053 (or 564051 counting only the distinct ones).

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

The square root of 2256196 is about 1502.0639134205. The cubic root of 2256196 is about 131.1572417923.

It can be divided in two parts, 225619 and 6, that added together give a square (225625 = 475²).

The spelling of 2256196 in words is "two million, two hundred fifty-six thousand, one hundred ninety-six".