6442244 has 6 divisors (see below), whose sum is σ = 11273934. Its totient is φ = 3221120.

The previous prime is 6442237. The next prime is 6442259. The reversal of 6442244 is 4422446.

It can be written as a sum of positive squares in only one way, i.e., 4251844 + 2190400 = 2062^2 + 1480^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805277 + ... + 805284.

It is an arithmetic number, because the mean of its divisors is an integer number (1878989).

Almost surely, 2^6442244 is an apocalyptic number.

It is an amenable number.

6442244 is a deficient number, since it is larger than the sum of its proper divisors (4831690).

6442244 is a wasteful number, since it uses less digits than its factorization.

6442244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610565 (or 1610563 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 6442244 is about 2538.1575995198. The cubic root of 6442244 is about 186.0711563414.

The spelling of 6442244 in words is "six million, four hundred forty-two thousand, two hundred forty-four".