2212825 has 6 divisors (see below), whose sum is σ = 2743934. Its totient is φ = 1770240.

The previous prime is 2212817. The next prime is 2212831. The reversal of 2212825 is 5282122.

2212825 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 3 ways, for example, as 419904 + 1792921 = 648^2 + 1339^2 .

It is not a de Polignac number, because 2212825 - 2³ = 2212817 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212796 and 2212805.

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 5 ways as a sum of consecutive naturals, for example, 44232 + ... + 44281.

2^2212825 is an apocalyptic number.

2212825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2212825 is a deficient number, since it is larger than the sum of its proper divisors (531109).

2212825 is an equidigital number, since it uses as much as digits as its factorization.

2212825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88523 (or 88518 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 2212825 is about 1487.5567216076. The cubic root of 2212825 is about 130.3113837372.

Adding to 2212825 its reverse (5282122), we get a palindrome (7494947).

The spelling of 2212825 in words is "two million, two hundred twelve thousand, eight hundred twenty-five".