4322644 has 6 divisors (see below), whose sum is σ = 7564634. Its totient is φ = 2161320.

The previous prime is 4322603. The next prime is 4322651. The reversal of 4322644 is 4462234.

It can be written as a sum of positive squares in only one way, i.e., 3027600 + 1295044 = 1740^2 + 1138^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540327 + ... + 540334.

Almost surely, 2^4322644 is an apocalyptic number.

It is an amenable number.

4322644 is a deficient number, since it is larger than the sum of its proper divisors (3241990).

4322644 is a wasteful number, since it uses less digits than its factorization.

4322644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080665 (or 1080663 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 4322644 is about 2079.0969193378. The cubic root of 4322644 is about 162.8982767017.

Adding to 4322644 its reverse (4462234), we get a palindrome (8784878).

The spelling of 4322644 in words is "four million, three hundred twenty-two thousand, six hundred forty-four".