2256550 has 12 divisors (see below), whose sum is σ = 4197276. Its totient is φ = 902600.

The previous prime is 2256539. The next prime is 2256557. The reversal of 2256550 is 556522.

2256550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256557) 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 5 ways as a sum of consecutive naturals, for example, 22516 + ... + 22615.

It is an arithmetic number, because the mean of its divisors is an integer number (349773).

2^2256550 is an apocalyptic number.

2256550 is a deficient number, since it is larger than the sum of its proper divisors (1940726).

2256550 is a wasteful number, since it uses less digits than its factorization.

2256550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45143 (or 45138 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2256550 is about 1502.1817466605. The cubic root of 2256550 is about 131.1641010125.

The spelling of 2256550 in words is "two million, two hundred fifty-six thousand, five hundred fifty".