2288225 has 6 divisors (see below), whose sum is σ = 2837430. Its totient is φ = 1830560.

The previous prime is 2288213. The next prime is 2288239. The reversal of 2288225 is 5228822.

It can be written as a sum of positive squares in 3 ways, for example, as 14161 + 2274064 = 119^2 + 1508^2 .

It is not a de Polignac number, because 2288225 - 2⁶ = 2288161 is a prime.

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, 45740 + ... + 45789.

It is an arithmetic number, because the mean of its divisors is an integer number (472905).

2^2288225 is an apocalyptic number.

2288225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2288225 is a deficient number, since it is larger than the sum of its proper divisors (549205).

2288225 is an equidigital number, since it uses as much as digits as its factorization.

2288225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91539 (or 91534 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 2288225 is about 1512.6880048444. The cubic root of 2288225 is about 131.7749647539.

The spelling of 2288225 in words is "two million, two hundred eighty-eight thousand, two hundred twenty-five".