2203550225 has 12 divisors (see below), whose sum is σ = 2735229324. Its totient is φ = 1761016320.

The previous prime is 2203550221. The next prime is 2203550227. The reversal of 2203550225 is 5220553022.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 251412736 + 1952137489 = 15856^2 + 44183^2 .

It is not a de Polignac number, because 2203550225 - 2² = 2203550221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2203550194 and 2203550203.

It is not an unprimeable number, because it can be changed into a prime (2203550221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20684 + ... + 69533.

It is an arithmetic number, because the mean of its divisors is an integer number (227935777).

Almost surely, 2^2203550225 is an apocalyptic number.

2203550225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2203550225 is a deficient number, since it is larger than the sum of its proper divisors (531679099).

2203550225 is an equidigital number, since it uses as much as digits as its factorization.

2203550225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91204 (or 91199 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 2203550225 is about 46941.9878680058. The cubic root of 2203550225 is about 1301.2906757512.

The spelling of 2203550225 in words is "two billion, two hundred three million, five hundred fifty thousand, two hundred twenty-five".