2242664644 has 12 divisors (see below), whose sum is σ = 4281450768. Its totient is φ = 1019393000.

The previous prime is 2242664623. The next prime is 2242664663. The reversal of 2242664644 is 4464662422.

It is a junction number, because it is equal to n+sod(n) for n = 2242664597 and 2242664606.

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 3 ways as a sum of consecutive naturals, for example, 25484782 + ... + 25484869.

It is an arithmetic number, because the mean of its divisors is an integer number (356787564).

Almost surely, 2^2242664644 is an apocalyptic number.

It is an amenable number.

2242664644 is a deficient number, since it is larger than the sum of its proper divisors (2038786124).

2242664644 is a wasteful number, since it uses less digits than its factorization.

2242664644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50969666 (or 50969664 counting only the distinct ones).

The product of its digits is 442368, while the sum is 40.

The square root of 2242664644 is about 47356.7803381944. The cubic root of 2242664644 is about 1308.9451415339.

The spelling of 2242664644 in words is "two billion, two hundred forty-two million, six hundred sixty-four thousand, six hundred forty-four".