2245444 has 12 divisors (see below), whose sum is σ = 4100544. Its totient is φ = 1073864.

The previous prime is 2245429. The next prime is 2245457. The reversal of 2245444 is 4445422.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12112 + ... + 12295.

It is an arithmetic number, because the mean of its divisors is an integer number (341712).

2^2245444 is an apocalyptic number.

It is an amenable number.

2245444 is a deficient number, since it is larger than the sum of its proper divisors (1855100).

2245444 is a wasteful number, since it uses less digits than its factorization.

2245444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24434 (or 24432 counting only the distinct ones).

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

The square root of 2245444 is about 1498.4805637712. The cubic root of 2245444 is about 130.9485647772.

The spelling of 2245444 in words is "two million, two hundred forty-five thousand, four hundred forty-four".