4422644 has 6 divisors (see below), whose sum is σ = 7739634. Its totient is φ = 2211320.

The previous prime is 4422643. The next prime is 4422667. The reversal of 4422644 is 4462244.

It can be written as a sum of positive squares in only one way, i.e., 2890000 + 1532644 = 1700^2 + 1238^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4422643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552827 + ... + 552834.

It is an arithmetic number, because the mean of its divisors is an integer number (1289939).

Almost surely, 2^4422644 is an apocalyptic number.

It is an amenable number.

4422644 is a deficient number, since it is larger than the sum of its proper divisors (3316990).

4422644 is a wasteful number, since it uses less digits than its factorization.

4422644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105665 (or 1105663 counting only the distinct ones).

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

The square root of 4422644 is about 2103.0083214291. The cubic root of 4422644 is about 164.1448749565.

Adding to 4422644 its reverse (4462244), we get a palindrome (8884888).

The spelling of 4422644 in words is "four million, four hundred twenty-two thousand, six hundred forty-four".