2243225 has 12 divisors (see below), whose sum is σ = 2835756. Its totient is φ = 1759680.

The previous prime is 2243221. The next prime is 2243251. The reversal of 2243225 is 5223422.

It can be written as a sum of positive squares in 6 ways, for example, as 17161 + 2226064 = 131^2 + 1492^2 .

It is not a de Polignac number, because 2243225 - 2² = 2243221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2243197 and 2243206.

It is not an unprimeable number, because it can be changed into a prime (2243221) 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, 479 + ... + 2171.

It is an arithmetic number, because the mean of its divisors is an integer number (236313).

2^2243225 is an apocalyptic number.

2243225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2243225 is a deficient number, since it is larger than the sum of its proper divisors (592531).

2243225 is a wasteful number, since it uses less digits than its factorization.

2243225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756 (or 1751 counting only the distinct ones).

The product of its digits is 960, while the sum is 20.

The square root of 2243225 is about 1497.7399640792. The cubic root of 2243225 is about 130.9054150875.

Adding to 2243225 its reverse (5223422), we get a palindrome (7466647).

The spelling of 2243225 in words is "two million, two hundred forty-three thousand, two hundred twenty-five".