2662642244 has 6 divisors (see below), whose sum is σ = 4659623934. Its totient is φ = 1331321120.

The previous prime is 2662642237. The next prime is 2662642247. The reversal of 2662642244 is 4422462662.

It can be written as a sum of positive squares in only one way, i.e., 2651014144 + 11628100 = 51488^2 + 3410^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2662642198 and 2662642207.

It is not an unprimeable number, because it can be changed into a prime (2662642247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332830277 + ... + 332830284.

It is an arithmetic number, because the mean of its divisors is an integer number (776603989).

Almost surely, 2^2662642244 is an apocalyptic number.

It is an amenable number.

2662642244 is a deficient number, since it is larger than the sum of its proper divisors (1996981690).

2662642244 is a wasteful number, since it uses less digits than its factorization.

2662642244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665660565 (or 665660563 counting only the distinct ones).

The product of its digits is 221184, while the sum is 38.

The square root of 2662642244 is about 51600.7969318304. The cubic root of 2662642244 is about 1386.0246027726.

The spelling of 2662642244 in words is "two billion, six hundred sixty-two million, six hundred forty-two thousand, two hundred forty-four".