2206625 has 16 divisors (see below), whose sum is σ = 2795520. Its totient is φ = 1738800.

The previous prime is 2206621. The next prime is 2206627. The reversal of 2206625 is 5266022.

It is a happy number.

It is not a de Polignac number, because 2206625 - 2² = 2206621 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 2¹¹ + 0 + 6² + 6⁸ + 2¹⁹ + 5³ .

It is a self number, because there is not a number n which added to its sum of digits gives 2206625.

It is not an unprimeable number, because it can be changed into a prime (2206621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15806 + ... + 15944.

It is an arithmetic number, because the mean of its divisors is an integer number (174720).

2^2206625 is an apocalyptic number.

2206625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2206625 is a deficient number, since it is larger than the sum of its proper divisors (588895).

2206625 is a wasteful number, since it uses less digits than its factorization.

2206625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2206625 is about 1485.4713056805. The cubic root of 2206625 is about 130.1895656506.

The spelling of 2206625 in words is "two million, two hundred six thousand, six hundred twenty-five".