2207285 has 8 divisors (see below), whose sum is σ = 2692536. Its totient is φ = 1736640.

The previous prime is 2207281. The next prime is 2207299. The reversal of 2207285 is 5827022.

2207285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22801 + 2184484 = 151^2 + 1478^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2207285 - 2² = 2207281 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2207281) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3314 + ... + 3923.

It is an arithmetic number, because the mean of its divisors is an integer number (336567).

2^2207285 is an apocalyptic number.

It is an amenable number.

2207285 is a deficient number, since it is larger than the sum of its proper divisors (485251).

2207285 is an equidigital number, since it uses as much as digits as its factorization.

2207285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7303.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2207285 is about 1485.6934407878. The cubic root of 2207285 is about 130.2025442262.

The spelling of 2207285 in words is "two million, two hundred seven thousand, two hundred eighty-five".