2256616 has 16 divisors (see below), whose sum is σ = 4249440. Its totient is φ = 1123440.

The previous prime is 2256613. The next prime is 2256619. The reversal of 2256616 is 6166522.

2256616 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2256613) and next prime (2256619).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2256613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2035 + ... + 2941.

It is an arithmetic number, because the mean of its divisors is an integer number (265590).

2^2256616 is an apocalyptic number.

It is an amenable number.

2256616 is a deficient number, since it is larger than the sum of its proper divisors (1992824).

2256616 is a wasteful number, since it uses less digits than its factorization.

2256616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224 (or 1220 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 2256616 is about 1502.2037145474. The cubic root of 2256616 is about 131.1653797708.

The spelling of 2256616 in words is "two million, two hundred fifty-six thousand, six hundred sixteen".