2224825 has 6 divisors (see below), whose sum is σ = 2758814. Its totient is φ = 1779840.

The previous prime is 2224801. The next prime is 2224837. The reversal of 2224825 is 5284222.

It can be written as a sum of positive squares in 3 ways, for example, as 606841 + 1617984 = 779^2 + 1272^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2224825 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 88993 = 2224825 / (2 + 2 + 2 + 4 + 8 + 2 + 5).

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 2224825.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44472 + ... + 44521.

2^2224825 is an apocalyptic number.

2224825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2224825 is a deficient number, since it is larger than the sum of its proper divisors (533989).

2224825 is an equidigital number, since it uses as much as digits as its factorization.

2224825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89003 (or 88998 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 2224825 is about 1491.5847277309. The cubic root of 2224825 is about 130.5465158136.

The spelling of 2224825 in words is "two million, two hundred twenty-four thousand, eight hundred twenty-five".