2244557866 has 8 divisors (see below), whose sum is σ = 3397725540. Its totient is φ = 1111982688.

The previous prime is 2244557857. The next prime is 2244557867. The reversal of 2244557866 is 6687554422.

It can be written as a sum of positive squares in 2 ways, for example, as 1969495641 + 275062225 = 44379^2 + 16585^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2244557867) 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, 5147851 + ... + 5148286.

Almost surely, 2^2244557866 is an apocalyptic number.

2244557866 is a deficient number, since it is larger than the sum of its proper divisors (1153167674).

2244557866 is a wasteful number, since it uses less digits than its factorization.

2244557866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10296248.

The product of its digits is 3225600, while the sum is 49.

The square root of 2244557866 is about 47376.7650436372. The cubic root of 2244557866 is about 1309.3133681940.

The spelling of 2244557866 in words is "two billion, two hundred forty-four million, five hundred fifty-seven thousand, eight hundred sixty-six".