2244742648 has 16 divisors (see below), whose sum is σ = 4223874960. Its totient is φ = 1118376000.

The previous prime is 2244742613. The next prime is 2244742649. The reversal of 2244742648 is 8462474422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244742649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497028 + ... + 501523.

It is an arithmetic number, because the mean of its divisors is an integer number (263992185).

Almost surely, 2^2244742648 is an apocalyptic number.

It is an amenable number.

2244742648 is a deficient number, since it is larger than the sum of its proper divisors (1979132312).

2244742648 is a wasteful number, since it uses less digits than its factorization.

2244742648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998838 (or 998834 counting only the distinct ones).

The product of its digits is 688128, while the sum is 43.

The square root of 2244742648 is about 47378.7151366518. The cubic root of 2244742648 is about 1309.3492967107.

The spelling of 2244742648 in words is "two billion, two hundred forty-four million, seven hundred forty-two thousand, six hundred forty-eight".