2329220644 has 27 divisors (see below), whose sum is σ = 4156556817. Its totient is φ = 1142071968.

The previous prime is 2329220639. The next prime is 2329220653. The reversal of 2329220644 is 4460229232.

The square root of 2329220644 is 48262.

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., 2128715044 + 200505600 = 46138^2 + 14160^2 .

It is a Duffinian number.

It is an unprimeable number.

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, 5694712 + ... + 5695120.

Almost surely, 2^2329220644 is an apocalyptic number.

2329220644 is the 48262-nd square number.

It is an amenable number.

2329220644 is a deficient number, since it is larger than the sum of its proper divisors (1827336173).

2329220644 is an frugal number, since it uses more digits than its factorization.

2329220644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The cubic root of 2329220644 is about 1325.5726764311.

Adding to 2329220644 its reverse (4460229232), we get a palindrome (6789449876).

The spelling of 2329220644 in words is "two billion, three hundred twenty-nine million, two hundred twenty thousand, six hundred forty-four".