2678225 has 12 divisors (see below), whose sum is σ = 3623280. Its totient is φ = 1947600.

The previous prime is 2678219. The next prime is 2678227. The reversal of 2678225 is 5228762.

It is not a de Polignac number, because 2678225 - 2⁴ = 2678209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2678191 and 2678200.

It is not an unprimeable number, because it can be changed into a prime (2678227) 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, 4595 + ... + 5144.

It is an arithmetic number, because the mean of its divisors is an integer number (301940).

2^2678225 is an apocalyptic number.

2678225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2678225 is a deficient number, since it is larger than the sum of its proper divisors (945055).

2678225 is a wasteful number, since it uses less digits than its factorization.

2678225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9760 (or 9755 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 2678225 is about 1636.5283376709. The cubic root of 2678225 is about 138.8723186157.

The spelling of 2678225 in words is "two million, six hundred seventy-eight thousand, two hundred twenty-five".