2200864 has 12 divisors (see below), whose sum is σ = 4333014. Its totient is φ = 1100416.

The previous prime is 2200843. The next prime is 2200867. The reversal of 2200864 is 4680022.

It can be written as a sum of positive squares in only one way, i.e., 1710864 + 490000 = 1308^2 + 700^2 .

It is not an unprimeable number, because it can be changed into a prime (2200867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34357 + ... + 34420.

2^2200864 is an apocalyptic number.

It is an amenable number.

2200864 is a deficient number, since it is larger than the sum of its proper divisors (2132150).

2200864 is an equidigital number, since it uses as much as digits as its factorization.

2200864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68787 (or 68779 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2200864 is about 1483.5309231694. The cubic root of 2200864 is about 130.0761683812.

Adding to 2200864 its reverse (4680022), we get a palindrome (6880886).

The spelling of 2200864 in words is "two million, two hundred thousand, eight hundred sixty-four".