2244445 has 12 divisors (see below), whose sum is σ = 3133404. Its totient is φ = 1538880.

The previous prime is 2244439. The next prime is 2244461. The reversal of 2244445 is 5444422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 777924 + 1466521 = 882^2 + 1211^2 .

It is not a de Polignac number, because 2244445 - 2¹⁷ = 2113373 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4336 + ... + 4825.

It is an arithmetic number, because the mean of its divisors is an integer number (261117).

2^2244445 is an apocalyptic number.

It is an amenable number.

2244445 is a deficient number, since it is larger than the sum of its proper divisors (888959).

2244445 is an equidigital number, since it uses as much as digits as its factorization.

2244445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9180 (or 9173 counting only the distinct ones).

The product of its digits is 5120, while the sum is 25.

The square root of 2244445 is about 1498.1471890305. The cubic root of 2244445 is about 130.9291421862.

Adding to 2244445 its reverse (5444422), we get a palindrome (7688867).

The spelling of 2244445 in words is "two million, two hundred forty-four thousand, four hundred forty-five".