2206825 has 12 divisors (see below), whose sum is σ = 2804508. Its totient is φ = 1721600.

The previous prime is 2206823. The next prime is 2206829. The reversal of 2206825 is 5286022.

It can be written as a sum of positive squares in 6 ways, for example, as 870489 + 1336336 = 933^2 + 1156^2 .

It is not a de Polignac number, because 2206825 - 2¹ = 2206823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2206825.

It is not an unprimeable number, because it can be changed into a prime (2206823) 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, 52 + ... + 2101.

It is an arithmetic number, because the mean of its divisors is an integer number (233709).

2^2206825 is an apocalyptic number.

2206825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2206825 is a deficient number, since it is larger than the sum of its proper divisors (597683).

2206825 is a wasteful number, since it uses less digits than its factorization.

2206825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2199 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2206825 is about 1485.5386228570. The cubic root of 2206825 is about 130.1934988255.

The spelling of 2206825 in words is "two million, two hundred six thousand, eight hundred twenty-five".