2205210225 has 48 divisors (see below), whose sum is σ = 3698656128. Its totient is φ = 1159242240.

The previous prime is 2205210221. The next prime is 2205210239. The reversal of 2205210225 is 5220125022.

It is not a de Polignac number, because 2205210225 - 2² = 2205210221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2205210221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1612492 + ... + 1613858.

It is an arithmetic number, because the mean of its divisors is an integer number (77055336).

Almost surely, 2^2205210225 is an apocalyptic number.

2205210225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2205210225 is a deficient number, since it is larger than the sum of its proper divisors (1493445903).

2205210225 is a wasteful number, since it uses less digits than its factorization.

2205210225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1669 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2205210225 is about 46959.6659379089. The cubic root of 2205210225 is about 1301.6173607361.

Adding to 2205210225 its reverse (5220125022), we get a palindrome (7425335247).

The spelling of 2205210225 in words is "two billion, two hundred five million, two hundred ten thousand, two hundred twenty-five".