2256412 has 6 divisors (see below), whose sum is σ = 3948728. Its totient is φ = 1128204.

The previous prime is 2256389. The next prime is 2256413. The reversal of 2256412 is 2146522.

It is a super-2 number, since 2×2256412² = 10182790227488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282048 + ... + 282055.

2^2256412 is an apocalyptic number.

It is an amenable number.

2256412 is a deficient number, since it is larger than the sum of its proper divisors (1692316).

2256412 is a wasteful number, since it uses less digits than its factorization.

2256412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564107 (or 564105 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 2256412 is about 1502.1358127679. The cubic root of 2256412 is about 131.1614271646.

The spelling of 2256412 in words is "two million, two hundred fifty-six thousand, four hundred twelve".