2209225 has 12 divisors (see below), whose sum is σ = 2884240. Its totient is φ = 1674000.

The previous prime is 2209217. The next prime is 2209231. The reversal of 2209225 is 5229022.

2209225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2209225 - 2³ = 2209217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2209196 and 2209205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1851 + ... + 2800.

2^2209225 is an apocalyptic number.

2209225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2209225 is a deficient number, since it is larger than the sum of its proper divisors (675015).

2209225 is a wasteful number, since it uses less digits than its factorization.

2209225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680 (or 4675 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2209225 is about 1486.3461911681. The cubic root of 2209225 is about 130.2406784000.

It can be divided in two parts, 2209 and 225, that multiplied together give a square (497025 = 705²).

The spelling of 2209225 in words is "two million, two hundred nine thousand, two hundred twenty-five".