2225566 has 16 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 939960.

The previous prime is 2225563. The next prime is 2225567. The reversal of 2225566 is 6655222.

It is a d-powerful number, because it can be written as 2⁸ + 2¹⁶ + 2²¹ + 5³ + 5⁶ + 6³ + 6⁶ .

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126 + ... + 2113.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

2^2225566 is an apocalyptic number.

2225566 is a deficient number, since it is larger than the sum of its proper divisors (1645154).

2225566 is a wasteful number, since it uses less digits than its factorization.

2225566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319.

The product of its digits is 7200, while the sum is 28.

The square root of 2225566 is about 1491.8331005846. The cubic root of 2225566 is about 130.5610074748.

The spelling of 2225566 in words is "two million, two hundred twenty-five thousand, five hundred sixty-six".