2204225 has 6 divisors (see below), whose sum is σ = 2733270. Its totient is φ = 1763360.

The previous prime is 2204221. The next prime is 2204243. The reversal of 2204225 is 5224022.

It can be written as a sum of positive squares in 3 ways, for example, as 142129 + 2062096 = 377^2 + 1436^2 .

It is not a de Polignac number, because 2204225 - 2² = 2204221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2204221) 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 in 5 ways as a sum of consecutive naturals, for example, 44060 + ... + 44109.

It is an arithmetic number, because the mean of its divisors is an integer number (455545).

2^2204225 is an apocalyptic number.

2204225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2204225 is a deficient number, since it is larger than the sum of its proper divisors (529045).

2204225 is an equidigital number, since it uses as much as digits as its factorization.

2204225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88179 (or 88174 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2204225 is about 1484.6632614839. The cubic root of 2204225 is about 130.1423490030.

Adding to 2204225 its reverse (5224022), we get a palindrome (7428247).

The spelling of 2204225 in words is "two million, two hundred four thousand, two hundred twenty-five".