4422609 has 9 divisors (see below), whose sum is σ = 6397339. Its totient is φ = 2944200.

The previous prime is 4422599. The next prime is 4422617. The reversal of 4422609 is 9062244.

The square root of 4422609 is 2103.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3814209 + 608400 = 1953^2 + 780^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 4422609 - 2⁵ = 4422577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4422619) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 5959 + ... + 6659.

Almost surely, 2^4422609 is an apocalyptic number.

4422609 is the 2103-rd square number.

4422609 is the 1052-nd centered octagonal number.

It is an amenable number.

4422609 is a deficient number, since it is larger than the sum of its proper divisors (1974730).

4422609 is an frugal number, since it uses more digits than its factorization.

4422609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The cubic root of 4422609 is about 164.1444419512.

The spelling of 4422609 in words is "four million, four hundred twenty-two thousand, six hundred nine".