2279225 has 12 divisors (see below), whose sum is σ = 3044076. Its totient is φ = 1682880.

The previous prime is 2279161. The next prime is 2279239. The reversal of 2279225 is 5229722.

2279225 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 6 ways, for example, as 50176 + 2229049 = 224^2 + 1493^2 .

It is not a de Polignac number, because 2279225 - 2⁶ = 2279161 is a prime.

It is a d-powerful number, because it can be written as 2⁴ + 2¹⁴ + 7⁷ + 9² + 2¹⁹ + 2¹⁹ + 5⁸ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 3182 + ... + 3831.

It is an arithmetic number, because the mean of its divisors is an integer number (253673).

2^2279225 is an apocalyptic number.

2279225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2279225 is a deficient number, since it is larger than the sum of its proper divisors (764851).

2279225 is a wasteful number, since it uses less digits than its factorization.

2279225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7036 (or 7031 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 2279225 is about 1509.7102370985. The cubic root of 2279225 is about 131.6019728827.

The spelling of 2279225 in words is "two million, two hundred seventy-nine thousand, two hundred twenty-five".