2265544066 has 16 divisors (see below), whose sum is σ = 3624488856. Its totient is φ = 1058354176.

The previous prime is 2265544051. The next prime is 2265544079. The reversal of 2265544066 is 6604455622.

It can be written as a sum of positive squares in 4 ways, for example, as 1825425625 + 440118441 = 42725^2 + 20979^2 .

It is an unprimeable number.

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, 238531 + ... + 247846.

Almost surely, 2^2265544066 is an apocalyptic number.

2265544066 is a deficient number, since it is larger than the sum of its proper divisors (1358944790).

2265544066 is a wasteful number, since it uses less digits than its factorization.

2265544066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486533.

The product of its (nonzero) digits is 345600, while the sum is 40.

The square root of 2265544066 is about 47597.7317316697. The cubic root of 2265544066 is about 1313.3813286218.

Adding to 2265544066 its reverse (6604455622), we get a palindrome (8869999688).

The spelling of 2265544066 in words is "two billion, two hundred sixty-five million, five hundred forty-four thousand, sixty-six".